Figure 15-9 Figure 15-9 Shows the Demand and Cost Curves for a and Cost

Multiple Choice

Figure 15-9

Figure 15-9 shows the demand and cost curves for a monopolist.
-Refer to Figure 15-9.At the profit-maximizing quantity, what is the difference between the monopoly's price and the marginal cost of production?

A) $8
B) $11.50
C) $21
D) There is no difference.