Sampson 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. Sampson made 8,000 copies and a paid a total of $440 in March; in May, the firm paid $420 for 7,500 copies. The company uses the high-low method to analyzie costs.

How much would the company pay if it made 8,500 copies?