The Opportunity Cost of Going to University Is

The opportunity cost of going to university is:

A) the total spent on food, clothing, books, transportation, tuition, lodging and other expenses
B) zero for students who are fortunate enough to have all of their university expenses paid by someone else
C) the value of the best opportunity a student gives up to attend university
D) zero, since a university education will allow a student to earn a higher income after graduation