Refer to the below graphs. The formation of an exclusive or craft union, with no change in demand, is depicted by situation:

When a monopolist maximizes profit, its marginal cost will

a. be less than its average fixed cost. b. be less than the price per unit of its product. c. exceed its marginal revenue. d. equal its average total cost.

All of the following are negative externalities in production except

A. Thermal pollution into a river from an electric power plant. B. Acid rain produced by power plants. C. Secondhand smoke in a restaurant. D. Carbon dioxide emissions from the production of steel.