1. The following graph shows the demand, marginal Revenue, and marginal cost curves for a monopolist.

180 MC 160 ATC Price, 140 costs. 120 and 100 revenue per unit 80 (dollars ) 60 40 20 MR 0 1 2 3 4 5 6 7 8 9 10 11 12 Quantity of output (units per hour)Price S = EMC A 30 C E 20 G! H F 10 K MR D 50 80 Quantity