Brooke and Sandy Both Attend the Same College and Have

Brooke and Sandy both attend the same college and have the same expenses for tuition, books, and supplies. However, Brooke is a famous actress who could earn $2 million per year if she were not attending college whereas Sandy could earn $10,000 a year serving hamburgers if he were not attending college. It follows that the opportunity cost of attending college:

A) is the same for both Brooke and Sandy.
B) is greater for Brooke than for Sandy.
C) is greater for Sandy than for Brooke.
D) for Brooke and Sandy cannot be compared.