Which of the following groups had the highest median income in the U.S. in 2008?

A single-price monopoly has marginal revenue and marginal cost equal to $19 at 15 units of output where the price on the demand curve is $38. At this output, average total cost is $15. What is the total profit earned?

A) $225 B) $285 C) $345 D) $570 E) $19

The birthrate in the United States decreased during the 1960s, and as a result

A) structural and frictional unemployment increased. B) cyclical unemployment declined. C) cyclical unemployment increased. D) the natural rate of unemployment declined.