If total profit is maximized, then marginal cost must equal marginal revenue

Refer to Table 7-6. With trade, what is the total gain in sword production?

A) 40 B) 60 C) 100 D) 200

Although national defense is currently a public good, economists who advocate small government generally agree that the U.S. should privatize national defense to increase the efficiency of the good

a. True b. False Indicate whether the statement is true or false