Assume That a Student Attends a Four-Year College with Tuition

Multiple Choice

Assume that a student attends a four-year college with tuition costs of $20,000 per year; room and board costs of $5,000 per year; and books/entertainment costs of $1,000 per year. If the student did not go to college, she would work at a job that pays $25,000 per year but still face the same room and board, as well as entertainment expenses. The opportunity cost of attending college for this student for four years is

A) $80,000.
B) $100,000.
C) $124,000.
D) $180,000.