The following table lists the costs incurred by a student attending a public university for one semester. (Note: By attending college, the student will have to work fewer hours but will stay in his current apartment.) M Tuition and Fees $7,500 a Room and Board $1,200 Books and supplies $ 300 Lost wages $6,000 What is the total opportunity cost that the student incurs by attending college for one semester? A . ak____u