RICK: Professor, I'm not sure which classes I should take for spring.

HOBO: Well, what are you interested in?



RICK: I'm interested in taking easy classes that will let me make lots of money as soon as possible.

HOBO: Oh look, by luck there's an entire economics course on lotteries!



RICK: Is it hard to get into?

HOBO: Depends how good at math you are.



