Refer to the above table. How many workers will this firm hire if the weekly wage rate is $770?

Suppose there is a real depreciation of the dollar. Which of the following may have occurred?

A) foreign currency has become more expensive in dollars. B) foreign goods have become more expensive to Americans. C) the foreign price level has increased relative to the U.S. price level. D) all of the above E) none of the above

A tax system in which the tax rate on everyone's first $10,000 of income is 10 percent, the tax rate on everyone's second $10,000 of income is 15 percent, and the tax rate on all income over $20,000 is 25 percent is a(n):

a. proportional tax. b. equitable tax. c. head tax. d. unit tax. e. progressive tax.