Use the Figure to Answer the Following Question(s)

Use the figure to answer the following question(s) .
Figure 11-8

If the output in the industry is produced by a monopolist, at what price will the good sell and what quantity will be produced in Figure 11-8?

A) price, $10; quantity produced, 100
B) price, $15; quantity produced, 50
C) price, $15; quantity produced, 75
D) price, $20; quantity produced, 50