Ethics question:

On a trip to Salt Lake City, you go to a business dinner with 5 of your colleagues at P.F. Chang's. Please respond, honestly, to what you would do (or have actually done) in the following two situations:

1. When you receive the bill, you have been charged $150 when you should have been charged $100.

2. When you receive the bill, you have been charged $50 when you should have been charged $100.