The exchange rate system followed by the United States is known as

The data in the table above are the U.S. balance of payments. The current account balance is

A) $140 billion. B) $155 billion. C) $170 billion. D) -$45 billion.

The golden rule of profit maximization states that any firm maximizes profit by producing where

a. demand is unit elastic, and total revenue is greatest b. price equals average revenue c. price equals marginal revenue d. price equals marginal cost e. marginal revenue equals marginal cost