-Refer to Exhibit 1-1

Multiple Choice

-Refer to Exhibit 1-1.If the student whose study habits are illustrated here is currently studying for the 8th hour,she should

A) cut back on the number of hours she is studying because the marginal benefit of studying for the 8th hour is less than the marginal cost of doing so.
B) cut back on the number of hours she is studying because the marginal benefit of studying for the 8th is greater than the marginal cost of doing so.
C) increase the number of hours she is studying because the marginal benefit of studying for the 8th hour is less than the marginal cost of doing so.
D) increase the number of hours she is studying because the marginal benefit of studying for the 8th hour is greater than the marginal cost of doing so.