Scott and Tom have dinner together at a new restaurant, and they discover that the portions are huge but taking home leftovers is not allowed. When both decide they are full, Scott forces himself to finish the rest of the food on his plate even though he doesn't really want to, while Tom asks the waiter to remove his plate while it still contains some food. How would an economist describe this behavior?

A. Both Tom and Scott acted rationally.
B. Tom acted rationally, maximizing his utility.
C. Scott acted rationally, because the food otherwise would have been thrown away.
D. Both Tom and Scott acted irrationally.

Answer: B