The interest rate represents the opportunity cost of holding non-monetary assets

In the U.S., health and Medicare account for _____ of all federal spending

a. 29% b. 24% c. 17% d. 6%

The aggregate-demand curve shows the

a. quantity of labor and other inputs that firms want to buy at each price level. b. quantity of labor and other inputs that firms want to buy at each inflation rate. c. quantity of domestically produced goods and services that households want to buy at each price level. d. quantity of domestically produced goods and services that households, firms, the government, and customers abroad want to buy at each price level.