Bill Bonecrusher graduates from college with a choice of playing professional football at $2 million a year or coaching for $50,000 a year. He decides to play football, but eight years later he quits football to make movies for $3 million a year. His opportunity cost at graduation was ________ and eight years later was ________

A. $50,000; $2 million
B. $2 million; $2 million
C. $2 million; $3 million
D. $50,000; $50,000