Suppose that a bright student can get through college for a cost of $A, a dull student

Question:

Suppose that a bright student can get through college for a cost of $A, a dull student can get through college for a cost of $B, and that it is worth $C to convince an employer that you are bright. Suppose also that nothing of value is learned in college. In which of the following circumstances would bright students go to college?
a. C > B > A
b. B > C > A
c. B > A > C