Use the Following to Answer Questions

Multiple Choice

Use the following to answer questions:
-(Table: Demand for Solar Water Heaters) Look at the table Demand for Solar Water Heaters. The marginal cost of producing solar water heaters is zero, and only two firms, Rheem and Calefi, produce them. Suppose they agree to produce only 25 water heaters each. By how much does Rheem's profit rise if it cheats on the agreement and produces 30 water heaters?

A) $3,000
B) $2,700
C) $2,000
D) $5,000