Reinforcing Reinforcement Theory

Melissa is an engineer at Acme Consulting. She used to work from 8:30am to 5:30pm, but her boss told her she could come in at 9am because of her great performance last year. However, this year Melissa is constantly arriving late to work. Her supervisor is looking to utilize extinction to remedy this behavior. Which of the following would be an example of extinction in this situation?

having Melissa go back to working from 8:30am to 5:30pm

Shawn is required to be in the office Monday through Friday, but would really value the ability to work from home one day a week. Based on Shawn's above-average performance last year, his boss is allowing him to work from home on Fridays. This is an example of which of the following?

positive reinforcement

You reduce an employee's compensation because of poor performance. This is an example of which of the following?

punishment

Manny is an accountant at Tax-A-Saurus. He's been browsing the internet a lot during work hours. In fact, Manny has been visiting a number of unauthorized webpages. As a result, his computer has been hit with numerous viruses over the last few weeks. The viruses are so bad that they require a time-consuming and very expensive virus removal procedure. Each time this occurs, the IT department has to wipe Manny's entire harddrive and reinstall all of the accounting software. Manny's cyberloafing has gotten so out of hand that his manager needs to step in to stop this behavior. His manager wants to punish Manny for violating the company internet rules. Which of the following is an example of punishment?

Charging Manny for the virus removal expenses