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.If this were a perfectly competitive industry,total surplus would be:

A) $6,400.
B) $1,600.
C) $3,200.
D) $4,800.