The Demand Curve for Boxing Programs on TV Is Plotted

The demand curve for boxing programs on TV is plotted in the graph below:
When the fight is shown as pay-per-view television programming so viewers are charged a fee to watch,the outcome is __________ because __________.

A) efficient;prices will allocate the program to those who value it most
B) efficient;the marginal cost is zero
C) inefficient;the marginal cost is zero
D) efficient;otherwise firms would have no incentive to provide a good that people value