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 monopolist,producer surplus is:

A) $3,200.
B) $6,400.
C) $1,000.
D) $1,600.