Suppose that the only input used in the generation of solar energy is sunlight and has a zero cost. The average total cost of producing electricity is:

The United States imports television sets from Japan. The table above contains the U.S. demand and U.S. supply schedules for television sets. The world price of a television set is $600 per set

a. With no trade, what is the domestic price and quantity of television sets? b. At the world price, what is the quantity of sets demanded in the United States? c. At the world price, how many sets are produced in the United States? d. At the world price, how many sets are imported into the United States? e. What is the opportunity cost of producing the 4-millionth television set in the United States? In Japan?

The purchase by a foreign government of an airplane produced in the United States is included in U.S

A) government purchases. B) investment expenditures. C) consumption expenditures. D) net exports.