Which of the following explains why the marginal cost curve has a U shape? A. Initially, the marginal product of labor falls, then rises. B. Initially, the average product of labor rises, then falls. C. Initially, the marginal product of labor rises, then falls. D. Initially, the average cost of production rises, then falls.

Your aunt is thinking about opening a hardware store. she estimates that it would cost $300,000 per year to rent the location and buy the stock. in addition, she would have to quit her $45,000 per year job as an accountant. a. define opportunity cost. b. what is your aunt's opportunity cost of running a hardware store for a year? if your aunt thought she could sell $350,000 worth of merchandise in a year, should she open the store? explain.

Global tek plans on increasing its annual dividend by 15 percent a year for the next four years and then decreasing the growth rate to 2.5 percent per year. the company just paid its annual dividend in the amount of $.20 per share. what is the current value of one share of this stock if the required rate of return is 17.4 percent? $1.82 $218 $2.03 $2.71 $3.05

When the united states buys more products than it sells from other countries what is created?