A Singer Would Willingly Perform in a Concert for $10,000

Multiple Choice

A singer would willingly perform in a concert for $10,000. If she is paid $25,000 for the concert, she is

A) receiving $25,000 to cover her opportunity cost.
B) not being paid her full opportunity cost.
C) receiving $15,000 of economic rent.
D) certainly being paid more than warranted by the level of demand.