Suppose That If Madison Bumgarner, the Major League Baseball Player

Suppose that if Madison Bumgarner, the major league baseball player, weren't playing baseball he would be coaching a college baseball team. It follows that

A) Bumgarner earns economic rent as long as his major league baseball salary is greater than his salary as the coach of a college baseball team.
B) Bumgarner earns pure economic rent as a baseball player.
C) Bumgarner earns pure economic rent as a baseball player and simply economic rent as a college coach.
D) if Bumgarner's salary as a coach is much less than his salary as a baseball player, then Bumgarner is overpaid as a baseball player.
E) none of the above