Consumer surplus can be measured as the area between the demand curve and the supply curve

Which of the following statements best describes income distribution in the United States?

(A) Most people earn the same income. (B) The richest 20 percent of the population has about 20 percent of the national income. (C) The richest 20 percent of the population has a much greater share of income than the poorest 20 percent. (D) The richest 20 percent of the population has slightly more income than the poorest 20 percent.

Suppose the central bank decreases the growth rate of the money supply. In the short run, this policy change will affect

a. both the unemployment rate and the inflation rate. b. the unemployment rate but not the inflation rate. c. the inflation rate but not the unemployment rate. d. neither the inflation rate nor the unemployment rate.