Use the Figure Below to Answer the Following Questions

Multiple Choice

Use the figure below to answer the following questions.

Figure 12.4.3
-Refer to Figure 12.4.3, which shows the cost curves and marginal revenue curve of a firm in a perfectly competitive market. In the long run, market

A) demand will increase.
B) demand will decrease.
C) supply will increase.
D) supply will decrease.
E) demand and market supply will both increase.