After alistair earned his ba, he had to decide whether to accept the offer of a job that will pay him $45,000 per year or spend an additional two years earning an mba. if he decides to pursue the graduate degree, his annual expenses for tuition, books, board, and lodging will be $32,000. alistair has been offered a scholarship for $10,000 per year, but in order to pay the remaining $22,000 per year, he would have to cash in savings bonds that his grandparents have given him that have been earning $500 in interest per year. the annual opportunity cost of earning his mba is: