The Same Year That Derek Jeter, One-Time Shortstop for the New

The same year that Derek Jeter, one-time shortstop for the New York Yankees, received an annual salary of $23.2 million, the president of the United States received an annual salary of $400,000. Based on marginal productivity theory and assuming these markets are competitive, this salary differential indicates that:

A) Derek Jeter contributed much more to society than did the president of the United States.
B) the president of the United States contributed much more to society than did Derek Jeter.
C) Derek Jeter and the president of the United States made equal contributions to society.
D) the salary differential between Derek Jeter and the president of the United States indicated that their marginal productivities cannot be compared.