There is evidence to suggest that slaves were commonly sold and families were often separated

Suppose the Fed purchases $100 million of U.S. securities from security dealers. If the reserve requirement is 20 percent, the currency holdings of the public are unchanged, and banks have zero excess reserves both before and after the transaction, the total impact on the money supply will be a:

a. $100 million decrease in the money supply. b. $100 million increase in the money supply. c. $200 million increase in the money supply. d. $500 million increase in the money supply.

When a firm doubles its inputs, its output:

A. will double. B. will less than double. C. will more than double. D. All of these are possible.