Operations Management Ch 14 Resource Planning
Owen Corning reported savings of ______________ by using ERP. a. $6 million b. $16 million c. $65 million d. $600 million e. $660 million
$65 million
Explosion process
Calculates the demand for the children of a parent by multiplying the parent requirements by the children's usage as specified in the BOM -Bill of materials.. The process of calculating the exact requirements for each item managed by the system
Determines the labor and machine resources needed to fill the open and planned orders generated by the MRP.
Capacity requirements planning (CRP)
MRP is an MRP system that includes production planning, master production scheduling, and capacity requirements planning. A) fully-integrated B) closed-loop C) open-loop D) wide-range E) enterprise
Closed-loop
An MRP system that includes production planning, master production scheduling, and capacity requirements planning
Closed-loop MRP
Raw materials, purchased items, or sub assemblies that are part of a larger assembly.
Components
The demand for an item is unrelated to the demand for other items.
Independent demand
Dependent vs. Independent Demand
Independent demand is unrelated to the demand for other items, while dependent demand is directly related to, or derives from, the demand for another inventory item or product.
The quantity of the replenishment order is based on the _____________. A) capacity available B) size of the item C) number of workers available D) inventory space available E) lot sizing rule used
Lot sizing rule used
MRP MRP II ERP
MRP- the materials needed for production MRP !! Manufatoring forcasting and demand ERP- Enterprise- all corporate info is stored
MRP II
Manufacturing Resource planning -plan and execute product inventory, people, and facilities
A method for the effective planning and integration of all internal resources.
Manufacturing resource planning (MRP II)
The _________ details the company's planned products, quantity, and the schedule used by marketing when promising deliveries. A) master production schedule B) bill of material C) inventory records D) material product sales E) promised deliveries
Master production schedule
What information system enables companies to have the right material in the right amounts available at the right time?
Material Requirements Planning
What information systems enables companies to have the right material in the right amounts at the right time? A) manufacturing resources planning B) multifunctional requirements planning C) material requirements planning D) material relationships planning E) manufacturing requirements planning
Material requirements planning
A system that uses the MRP, inventory record data, and BOM to calculate material requirements.
Material requirements planning (MRP)
Bill of Materials (BOM)
One of the three primary inputs of MRP; a listing of all of the raw materials, parts, subassemblies, and assemblies needed to produce one unit of a product.
master schedule
One of three primary inputs in MRP; states which end items are to be produced, when these are needed, and in what quantities. Has time periods that are equal
Released manufacturing orders.
Open shop orders
lot for lot ordering
Ordering exactly what is needed each period without regard to economic considerations. Often equals demand
An item produced from one or more children (components).
Parent item
Suggested order quantities, release dates, and due dates created by an MRP system.
Planned orders
Factors include the lot size rule, replenishment lead times, and safety stock requirements.
Planning factors
The visual representation of the BOM, clearly defining the parent-child.
Product structure tree
The inventory balance projected into the future.
Projected available
Inventory Records File
Provides accurate status information about the availability of every item controlled by MRP eg. part number, part name, lead times, safety stock requirements
Tangible benefits of ERP
Reduction in inventory, Reduction in staffing, Increased productivity
designed to improve decision making in the supply chain
SCM software
Designed to improve decision making in the supply chain.
SCM software.
An open order that has an assigned due date.
Scheduled receipts
Enables strategic decision making along the supply chain.
Supply chain intelligence (SCI)
aggregate plan and master production schedule
The MPS takes the aggregate plan and breaks it down to weekly amounts
Replenishment Orders
The placement of an order specifically designed to restock a facility with inventory. MRP specifies when to place the order, the order may be for material from a supplier, the order may be for material from the manufacturing floor
Capacity Requirements Planning (CRP)
The process of determining short-range capacity requirements. Make sure that there is enough work but not too much.
Once independent demand is known
Then the defendant demand can be established.
The authorized MPS is a statement of ________________. A) manufacturing orders that have been authorized for release to the shop floor B) which workers are authorized to work on which machines C) what the company expects to build and when it expects to build it D) authorized payments to vendors E) where different end products are authorized to be manufactured
What the company expects to build and when it expects to build it
fixed order quantity (FOQ)
a lot size rule with a constant order size where the same quantity is ordered every time
Lot-for-lot
a lot-sizing technique that generates exactly what is required to meet the plan. Good if set up cost is zero
Application Service Provider (ASP)
an agent or vendor who assembles the software needed by enterprises and packages them with outsourced development, operations, maintenance, and other services
sets up and runs EPR systems
application service provider (ASP)
Rough-Cut Capacity Planning
approximate balancing of capacity and demand to test the feasibility of a master schedule
Which ERP module includes investment management? a. finance and accounting b. information systems c. sales and marketing d. production and materials management e. human resources
finance and accounting
The quantity of the gross requirement
for the child is determined by the usage quantity
the total-period demand for an item
gross requirements
Which ERP module includes work-flow analysis? a. finance and accounting b. information systems c. sales and marketing d. production and materials management e. human resources
human resources
Inventory Records
identify the type and quantity of resources and products on hand along with the current value of each. _- is (are) checked for the materials on hand and those that need to be procured.
the demand for an item is unrelated to the demand for other items
independent demand
expressing future demand, supply, and inventories by time period
time-phased
The ERP system provides a single interface: a. to operations only b. to operations and inventory control only c. to external members of the supply chain as well d. to the company management structure only e. to customers only
to external members of the supply chain as well
Dependent Inventory Model Requirements
1. Master production schedule 2. Specifications or bill of material 3. Inventory availability 4. Purchase orders outstanding 5. Lead times
What proportion of US companies with greater than $1 billion in annual revenues has implemented ERP? a. 10% b. 20% c. 40% d. 75% e. 95%
40%
closed-loop
A system that uses feedback from the output to control the input in MRP includes production planning, master production scheduling and capacity requirements
Product Structure Tree
A visual depiction of the requirements in a bill of materials, where all components are listed by levels. the lower the level the more finished. Level zero is completed
The current time period.
Action bucket
Output from an MRP system that identifies the need for an action to be taken
Action notices
Set up and runs ERP systems
Application service provider (ASP)
Starts with the due date for an order and works backward to determine the start date for each activity.
Backward scheduling
BOM
Bill of Materials
Lists all the sub assemblies, component parts, and raw materials that go into an end item and shows the usage quantity of each required.
Bill of material (BOM)
Demand for component parts is based on the number of end items being produced.
Dependent demand
A product sold as a completed item or repair part.
End item
An information system designed to integrate internal and external members of the supply chain.
Enterprise resource planning (ERP)
To rush orders that are needed in less than the normal lead time.
Expedite
Backflushing
Exploding an end item's BOM to determine the quantities of the components that were used to make the item
Calculates the demand for the children of a parent by multiplying the parent requirements by the children's usage as specified in the BOM.
Explosion process
ERP (Enterprise Resource Planning)
Framework for organizing, defining, and standardizing the business processes necessary to effectively plan and control an organization so the organization can use its internal knowledge to seek external advantage. designed to integrate internal and external members of the supply chain
The MRP, the starting points for each part and material needed to accomplish the master production schedule are the __________. A) net requirements B) gross requirements C) planned releases D) scheduled receipts E) planned receipts
Gross requirements
The total-period demand for an item.
Gross requirements
Which of the following is NOT a major supplier of ERP systems? A) SAP AG B) PeopleSoft C) oracle D) infor.com E) IBM
IBM
intangible benefits of ERP
Improved visibility of corporate data, Improved customer responsiveness, Better integration between systems
Shows the highest-level "parents" closest to the left margin and the "children" indented toward the right. Subsequent levels are indented farther to the right.
Indented bills of materials
Independent Demand Inventory
Inventory items with demand levels that are beyond a company's complete control. Finished good like how many cars you sell
The _________ is (are) checked for the materials on hand and those that need to be procured. A) master production schedule B) bill of material C) inventory inventories D) material inventories E) promised deliveries
Inventory records
Which of the following is an objective of MRP? A) keep priorities updated and valid. B) keep track of material movements on the shop floor. C) provide information for expediting orders. D) allocate scarce parts to products. E) provide information for activity based costing.
Keep priorities updated and valid
The span of time needed to perform an activity or series of activities.
Lead time
The most critical factors for successful EPR implementation are _________ and __________ __________. A) leadership, top management commitment B) leadership, technological transfer management C) management, technological transfer management D) funding, top management commitment E) leadership, detailed technical specifications
Leadership, top management commitment
Expressing future demand, supply, and inventories by time period.
Time-phased
Action Notice
a notice that is generated when an order needs to be released or placed or when the quantity or timing of an order needs to be changed, produced when due dates of orders need to be adjusted, when the lead time is not sufficient for a planned order, actions that need to be taken by inventory planners
Lot Sizing Rules
a rule that determines the timing and size of order quantities
Capacity requirements planning uses data from _________________. a. MRP b. rough-cut capacity planning c. aggregate planning d. MPS e. the bill of labor life
a. MRP
With capacity requirements planning, the calculated workload for a work center is compared with ______________. a. available capacity b. calculated workloads for other work centers c. the costs of expanding the work center d. standard capacity e. design capacity
a. available capacity
What is a technique for improving inventory record accuracy? a. cycle counting b. drum, buffer, rope c. kanban d. tracking signal e. statistical process control
a. cycle counting
Which of the following are the four basic categories of ERP modules?
a. finance and accounting c. sales and marketing d. production and materials management e. human resources
Independent demand is the demand for ______________. a. finished products b. subassemblies c. parts d. raw materials e. components
a. finished products
An error in replenishment ordering can result from a(n) __________________. a. inaccuracy in the inventory records file b. breakdown of equipment c. expediting of an order d. circumstance of working excessive overtime e. error in accounts receivables
a. inaccuracy in the inventory records file
Which of the following is an objective of MRP? a. keep priorities updated and valid b. keep track of material movements on the shop floor c. provide information for expediting orders d. allocate scarce parts to products e. provide information for activity based costing
a. keep priorities updated and valid
The most critical factors for successful EPR implementation are ________________ and __________________. a. leadership, top management commitment b. leadership, technological transfer management c. management, technological transfer management d. funding, top management commitment e. leadership, detailed technical specifications
a. leadership, top management commitment
If setup costs are essentially zero (negligible when compared to carrying costs), which approach should be used for lot sizing? a. lot for lot b. fixed order quantity c. period order quantity with POQ = 6 periods d. period order quantity with POQ = 2 periods e. period order quantity with POQ = 4 periods
a. lot for lot
The ______________ details the company's planned products, quantity, and the schedule used by marketing when promising deliveries a. master production schedule b. bill of material c. inventory records d. material product sales e. promised deliveries
a. master production schedule
The lead time can be less than the cumulative lead time when _____________________. a. the company has inventory on hand b. the order has already been shipped c. the supply chain is well tuned d. there is no safety time e. the order is expedited
a. the company has inventory on hand
An order released to a supplier authorizes ________________. a. the shipment of the material so that it arrives as needed b. movement of the material from the warehouse to the supplier c. the sending of information concerning production to the supplier d. accounting to set up an accounts receivable entry e. the logistics manager to start investigating shipment options
a. the shipment of the material so that it arrives as needed
Which of the following is NOT true for planned orders? a. they are necessary only for finished products b. they result when there is not enough inventory to cover the gross requirements c. the quantity is calculated using the lot-sizing rule d. the lead time is required to determine when the order should be placed e. the inventory records file is updated for the order
a. they are necessary only for finished products
If the available capacity at a work center is NOT adequate, the company can ________________. a. decrease run time per piece b. authorize overtime c. expedite d. decrease order quantities e. hold up payment
b. authorize overtime
The _______________ file lists the materials needed to build a product. a. master production schedule b. bill of material c. inventory records d. material needs e. build structure
b. bill of material like a product structure tree
The MPR file that contains data on specific materials used to make final products and their correct quantities is the ________________. a. authorized master production schedule b. bill of materials file c. inventory records file d. part status file e. routing file
b. bill of materials file
The MRP input listing the intermediate assemblies, subassemblies, component parts, raw materials, and the quantities of each needed to produce one final products is the _____________. a. authorized master production schedule b. bill of materials file c. inventory records file d. part status file e. assembly time chart
b. bill of materials file
Different lot sizes rules determine the quantity of the order and _____________________. a. the quality b. change the frequency of replenishment orders c. how projected available is calculated d. the lead time e. the backorder cost
b. change the frequency of replenishment orders
Production and inventory planners release orders to ______________________. a. the expediter b. either an external supplier or to the shop floor e. the logistics manager d. either the shop floor or to the warehouse e. marketing
b. either an external supplier or to the shop floor
An item that has no parents is a(n) ______________________. a. subassembly b. end item c. child item d. intermediate assembly e. component
b. end item
In MRP, the starting points for each part and material needed to accomplish the master production schedule are the _____________. a. net requirements b. gross requirements c. planned releases d. scheduled receipts e. planned receipts
b. gross requirements
The time interval necessary to either manufacture or purchase an item is its _______________. a. time fence b. lead time c. safety time d. time bucket e. receipt time
b. lead time
For every scheduled receipt in an MRP table, there is also in the organization a(n) ____________________. a. shop floor order b. order that has been placed but not yet been received c. planned order d. period order e. dispatch list
b. order that has been placed but not yet been received
A visual depiction of the subassemblies and components that are needed to produce a finished product is called a(n) ________________________. a. assembly time chart b. product structure tree c. peg d. product chart e. blueprint
b. product structure tree
For any period the beginning inventory, plus any replenishment orders due, less the gross requirement equals is called the _____________________. a. planned orders b. projected available quantity c. scheduled receipts d. lead time e. safety stock
b. projected available quantity
Information that may be contained in the inventory records file includes all EXCEPT which of the following? a. part numbers b. run times for manufactured parts c. part names d. lead times e. safety stock requirements
b. run times for manufactured parts
starts with the due date for an order an works backward to determine the start date for each activity
backward scheduling
lists all the subassemblies, component parts, and raw materials that go into an end item and shows the usage quantity of each required
bill of material (BOM)
ERP is (Enterprise Resource Planning)
business process management software that allows an organization to use a system of integrated applications to manage the business and automate many back office functions related to technology, services and human resources like finances and forcasting
Setup time has changed: a. once each day regardless of product changes b. each time the operator begins the machine c. each time the machine is prepared to produce the desired item quantity d. for each shift that works on the desired item quantity manufacturing e. on rare occasions if it takes significant time
c. each time the machine is prepared to produce the desired item quantity
The __________________ is/are checked for the materials on hand and those that need to be procured. a. master production schedule b. bill of material c. inventory records d. material inventories e. promised deliveries
c. inventory records
For capacity requirements planning, loads for critical work centers are calculated based on ___________________. a. open external supplier orders and planned external supplier orders b. gross requirements for the end product c. open shop orders and planned shop orders d. safety stock e. the sum of ordering and carrying costs
c. open shop orders and planned shop orders
In the mid-1970s, MPRII was developed. One of its major components is: a. leadership b. inventory management c. operations execution d. strategic management e. marketing
c. operations execution
Which of the following is NOT a lot size rule? a. lot for lot b. fixed order quantity c. overall factors d. least total costs e. parts period balancing
c. overall factors
The gross requirements of a given component part are determined from _______________. a. scheduled receipts plus projected available b. gross requirements of the parent c. planned orders of the parent d. projected available of the end item e. planned orders of the end item
c. planned orders of the parent
Information in the inventory records file that can change with inventory transactions includes the _______________. a. part number b. lot size rule c. projected inventory level d. lead time e. safety stock requirement
c. projected inventory level
Gross requirements for finished products are taken from ___________________. a. the inventory records file b. the order entry file c. the authorized MPS d. the bill of materials file e. forecasted sales
c. the authorized MPS
The authorized MPS is a statement of ____________________. a. manufacturing orders that have been authorized for release to the shop floor b. which workers are authorized to work on which machines c. what the company expects to build and when it expects to build it d. authorized payments to vendors e. where different end products are authorized to be manufactured
c. what the company expects to build and when it expects to build it
determines the labor and machine resources needed to fill the open and planned orders generated by the MRP
capacity requirements planning (CRP)
Companies use __________ to check that enough work is scheduled for operations and that the amount of work scheduled is feasible. a. capacity management b. closed-loop requirements planning c. cut requirements planning d. capacity resources planning e. capacity requirements planning
capacity requirements planning - CRP
___________________________ MRP is an MRP systems that includes production planning, master production scheduling, and capcity requirements planning. a. fully-integrated b. closed-loop c. open-loop d. wide-range e. enterprise
closed-loop
Second generation ERP systems adressed the first generation deficiency of: a. inadequate statistics b. interdepartmental communications c. integrated modules d. continuous planning capabilities e. forecasting capabilities
continuous planning capabilities
When there is insufficient inventory to satisfy the forecast for a particular period a(n) ______________ order must be placed. a. BOM b. restock c. inventory request d. MPS e. MRP
d. MPS
Which of the following is NOT true for action notices that are produced by MRP systems? a. an action notice is produced when a planned order needs to be released b. an action notice is produced when due dates of orders need to be adjusted c. an action notice is produced when the lead time is not sufficient for a planned order d. an action notice is produced when inventory is moved to the manufacturing floor e. they indicate actions that need to be taken by inventory planners
d. an action notice is produced when inventory is moved to the manufacturing floor
Which of the following is NOT direct input to capacity requirements planning? a. planned shop orders b. open shop orders c. setup time and run time per limit for shop orders d. current inventory levels e. quantity for shop orders
d. current inventory levels
Which of the following most closely describes dependent demand? a. demand generated by suppliers b. demand that is seasonal c. demand estimates using regression analysis d. demand derived from finished products e. demand for repair parts
d. demand derived from finished products
If an order is NOT scheduled to arrive in time, the planner tries to ________________. a. find a replacement order b. cancel the order c. split the order in two d. expedite the order e. talk marketing into changing the due date
d. expedite the order
CRP systems are used to check that the amount of work: a. meets the MRP directive b. meets the ERP directive c. will make a profit d. is feasible e. meets OSHA requirments
d. is feasible
Dell practices _______________. a. focused customization b. make to stock production c. mass merchandising d. mass customization e. frozen assembly schedules
d. mass customization
A computer-based information system designed to manage dependent demand inventory is _____________. a. manufacturing resources planning b. multifunctional requirements planning c. material relationships planning d. material requirements planning e. manufacturing requirements planning
d. material requirements planning
The beginning inventory for any time period is equal to ___________________. a. safety stock plus gross requirements from the previous period b. scheduled receipts plus projected available quantity c. planned orders plus scheduled orders d. projected available quantity from at the end of the previous period e. gross requirements less scheduled orders
d. projected available quantity from at the end of the previous period
According to the textbook, most manufacturing operations, production or inventory control planners are responsible for working with MRP. Planners are typically responsible for all EXCEPT which of the following: a. end item inventory items b. subassemblies inventory items c. component inventory items d. raw material pricing e. supplier delays
d. raw material pricing
The current time period is referred to as ______________. a. time zero b. the point of departure c. the start time d. the action bucket e. this year
d. the action bucket
The cumulative lead time is _______________. a. the sum of the lead times for all the components b. the sum of the lead time and the safety time c. the number of time buckets used in the MRP d. the longest route in terms of time from the low level items to the end item in the product structure tree e. lead time less the safety time
d. the longest route in terms of time from the low level items to the end item in the product structure tree
Which of the following is NOT true concerning replenishment orders? a. they are generated when there is not enough inventory b. MRP specifies when to place the order c. the order may be for material from a supplier d. they are orders for the final product e. the order may be for material from the manufacturing floor
d. they are orders for the final product
demand for component parts is based on the number of end items being produced
dependent demand
SCM software
designed to improve decision making in the supply chain in second generation ERP
Lot sizing rules on a parent item
do not affect the gross requirements of all lower level component items.
Which of the following does NOT share a common ERP database? a. internal to the organization b. suppliers c. customers d. the supply chain e. CEO strategic plan
e. CEO srategic plan
Which of the following is NOT a major supplier of ERP systems? a. SAP AG b. PeopleSoft c. Oracle d. Infor.com e. IBM
e. IBM
Second-generation ERP systems are referred to as ____________ software. a. scheduling b. MRP c. inventory management d. MPS e. SCM
e. SCM
When there is insufficient inventory to cover the gross requirements for a period a. an MRP is placed b. an ERP is placed c. a planned order is placed d. a scheduled order is placed e. a rush order occurs
e. a rush order occurs
A positive quantity in the current period's planned order row means that _____________. a. lead time is too long b. the projected available is negative c. gross requirements are too large d. the planned order is due to be completed in the current period e. an order must be released
e. an order must be released
Capacity requirements planning enables the company to evaluate ________________. a. employee morale b. its suppliers c. its manufacturing costs d. quality e. how well it is using its critical work centers
e. how well it is using its critical work centers
Which of the following is NOT an intangible benefit of ERP? a. improved customer response b. better integration between systems c. global sharing of information d. increased flexibility e. improved on-time delivery performance
e. improved on-time delivery performance
Which of the following is NOT true concerning indented bills of materials? a. subsequent levels are indented further to the right b. children are indented toward the right c. the highest level parents are closest to the left margin d. quantity required is shown for each part number e. lead times determine how far children are indented
e. lead times determine how far children are indented
The quantity of the replenishment order is based on the _____________. a. capacity available b. size of the item c. number or workers available d. inventory space available e. lot sizing rule used
e. lot sizing rule used
Scheduled receipts are ________________. a. planned orders b. planned orders offset by lead time c. gross requirments offset by a lead time d. gross requirements minus inventory e. replenishment orders that may have been placed but not yet received
e. replenishment orders that may have been placed but not yet received
Selection of the lot size rule to be used should be based on minimizing ________________. a. the order size b. late shipments c. total processing time d. quality problems e. the sum of ordering and carrying costs
e. the sum of ordering and carrying costs
MRP develops a ____________ that shows future demand, supply, and inventories by time period. a. DSI report b. snapshot forecast c. requirements plan d. material movements schedule e. time-phased schedule
e. time-phased schedule
An action is generated ______________________. a. for planned orders in any period b. only for orders that to be released to the shop floor c. only for movements to and from the warehouse d. only when marketing needs to be notified e. when a planned order needs to be released
e. when a planned order needs to be released
Objective of MRP
ensure that material is available when needed and to maintain the lowest possible level of inventory
What does ERP stand for? a. educational resources planning b. end routing procedure c. enterprise reliability production d. enterprise resource planning e. easy resource planning
enterprise resource planning
What is an information system designed to integrate internal and external members of the supply chain? a. material requirements planning b. master production schedule c. capacity requirements planning d. aggregate planning e. enterprise resource planning
enterprise resource planning
Material Requirements Planning (MRP)
information system enables companies to have the right material in the right amounts available at the right time?-the logic for determining the master schedule requirements-number of parts, components, and materials needed to produce a product. -A computer-based system When and how much raw materials do we need to complete on time. What's needed, how much is needed and When is it needed. Keep priorities updated and valid.
Which of the following is NOT one of the four basic categories of ERP modules? a. finance and accounting b. information systems c. sales and marketing d. production and materials management e. human resources
information systems
Dependent demand inventory
inventory items whose demand levels are tied directly to a company's planned production of another item. Component parts eg how many tires or door handles to order is dependant on the number of orders. Tends to be sporadic or lumpy
continuous planning capabilities
is an approach to planning where static annual or bi-annual plans are replaced with a continually updated plan, which is revised every time an internal or external event (such as a shift in priorities, an unexpected delay
BOM- Bill of Material Example
items above are called parents and items below are called components or children. Level zero is the final product
Material Requirements Planning Inputs
master schedule, bill of materials, inventory records
What information system enables companies to have the right material in the right amounts available at the right time? a. manufacturing resources planning b. multifunctional requirements planning c. material requirements planning d. material relationships planning e. manufacturing requirements
material requirements planning
a system that uses the MRP, inventory record data, and BOM to calculate material requirements
material requirements planning (MRP)
released manufacturing orders
open shop orders
Scheduled receipts
orders that have been placed but have not yet been received
ERP is a software designed for _____________________ and _____________________ business processes. a. calculating, budgeting b. deleting, changing c. organizing, managing d. organizing, budgeting e. selecting, managing
organizing, managing
MRP Outputs
planned order releases... work orders, purchase orders, rescheduling notices
Which ERP module handles billing? a. finance and accounting b. information systems c. sales and marketing d. production and materials management e. human resources
sales and marketing
Owen Corning
savings by using ERP system
Planned orders
schedule indicating the amount and timing of future orders. Part of the primary report
enables strategic decision making along the supply chanin
supply chain intelligence (SCI)
ERP systems provide __________ and _________ benefits. a. tangible, HR b. intangible, marketing c. marketing, operation d. tangible, intangible e. CEO, CFO
tangible, intangible
A company uses a rough-cut capacity planning
technique to determine whether a proposed MPS is feasible.
Work Flow Analysis
the tool that we use to identify what has to be done within the organization to produce a product or service eg HR uses for hiring
Gross requirements
total expected demand for an item or raw material in a time period. In an MRP record can be met by inventory from previous weeks, scheduled receipts, or planned receipts.
gross requirements
total expected demand you plan on using for an item or raw material in a time period. Materials needed to accomplish the master production schedule. the total demand derived from all parent production plans