The graph for a monopolist’s profits shows that at output QM (100) and price PM ($6) the firm’s total revenue is ______.

When the exchange rate between the U.S. dollar and the euro changes from 1.00 euro per dollar to 1.30 euros per dollar, then the

A) euro has depreciated against the euro. B) U.S. dollar has depreciated against the euro. C) U.S. dollar has depreciated against the dollar. D) euro has appreciated against the dollar. E) U.S. dollar has appreciated against the euro.

People who took out mortgages at the height of U.S. inflation in 1981:

A. paid much higher real interest rates than expected since inflation fell dramatically after 1981. B. paid much lower real interest rates than expected since inflation fell dramatically after 1981. C. paid much higher real interest rates than expected since inflation rose dramatically after 1981. D. paid much lower real interest rates than expected since inflation rose dramatically after 1981.