What is the present value of $960 in one year if the current rate of interest is 6 percent?

By almost every measure of social and economic well-being, for how long after the Civil War (1861–1865) did the South lag behind the rest of the country?

(a) For almost a century (b) For almost a decade before it adapted to life without slavery (c) For only two decades (d) Right down to the present day

A monopolist's demand curve

a. is horizontal at the market price b. lies above its marginal revenue curve c. is the same as its marginal cost curve d. indicates that the firm must raise price to sell additional units e. lies above the marginal cost curve at all levels of output