Ceteris paribus, if the price of lumber increases, we would expect an increase in the supply of lumber

The figure above shows the marginal social cost curve of generating electricity, the marginal private cost curve, and the demand curve

If the government imposes a pollution tax to achieve the efficient level of production, the tax equals ________ per kilowatt hour. A) 0¢ B) 7.5¢ C) 10¢ D) 15¢ E) 2.5¢

Suppose a U.S. firm purchases some English china. The china costs 1,000 British pounds. At the exchange rate of $1. 45 = 1 pound, the dollar price of the china is

A. $1,450. B. $250. C. $690. D. $2,000.