Use the Following to Answer Question

Use the following to answer question:
-(Figure: The Profit-Maximizing Firm in the Short Run) Use Figure: The Profit-Maximizing Firm in the Short Run.If the market price is P₄:

A) firms will leave the industry and the price will fall in the long run.
B) there will be economic profits and firms will enter the industry in the long run.
C) the market supply curve will shift to the left and price will fall in the long run.
D) the firm will produce q₄.