Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
Figure: The Profit-Maximizing Output and Price
-(Figure: The Profit-Maximizing Output and Price) Use Figure: The Profit-Maximizing Output and Price.Assume that there are no fixed costs and AC = MC = $200.At the profit-maximizing output and price for a perfectly competitive industry,economic profit for the firms in the industry is:

A) $0.
B) $200.
C) $1,600.
D) $3,200.