Swanson and Associates Presently Leases a Copy Machine Under an Agreement

Multiple Choice

Swanson and Associates presently leases a copy machine under an agreement that calls for a fixed fee each month and a charge for each copy made. Swanson made 7,000 copies and paid a total of $360 in March; in May, the firm paid $280 for 5,000 copies. The company uses the high-low method to analyze costs.
How much would Swanson's pay if it made 5,500 copies?

A) $382.50
B) $322
C) $300
D) $292.50
E) None of the other answers is correct.