Exhibit 24-7 Price Quantity Total Cost $10 $80 9 15 85 8 95 7 e RSS 110 6 140 5 175 4 215 and the marginal revenue of the last unit sold is Refer to Exhibit 24-7. At the profit maximizing level of output, the marginal cost of the last unit produced it $3:53 O b. 56: 56 O $7:57 d:515: SIS 52:52