The diagram below shows cost and revenue curves for a natural monopoly producing electricity. Price is dollars per kilowatt hour and quantity is kilowatt hours per day.

FIGURE 12-8
Refer to Figure 12-8. Suppose this firm is being regulated using a pricing policy of average-cost pricing. In this case, economic profits are equal to
◦ $10 000.
◦ $6000.
◦ $126 000.
◦ $0.
◦ $28 000.