The following accompanying table shows the relationship between the speed of a computer's CPU and its benefits and costs. Assume that all other features of the computer are the same (that is, CPU speed is the only source of variation), and only the CPU speeds listed below are available for purchase. CPU GHzTotal BenefitMarginal BenefitTotal CostMarginal Costs2.0$1,000 $900 2.5$1,400 $1003.0 $300$1,200 3.5$1,900 $1,500 4.0$2,000 $400The marginal cost of upgrading from a 2.5GHz to 3.0GHz computer is:
A. $100.
B. $300.
C. $200.
D. $400.
Answer: C
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A good deal of iron ore is mined in Michigan's Upper Peninsula. What is the relationship between the demand for iron ore and the cost of mining operations in Michigan?
A) Changes in the demand for iron ore are caused directly by changes in the cost of iron mining. B) Changes in the costs of iron mining are caused by changes in the demand for iron ore. C) There is no significant relationship because the demand for iron ore is determined by many different people, while the cost of mining the ore is determined by business executives. D) Nobody knows.
The sales manager of a retail outlet suggests that the best way to increase customers is to have a sale. If a 10 percent price cut doesn't bring in enough customers, then he'll cut prices 20 percent. Increased cash flow should take care of profits. Do you agree? Explain
When the government bans a good:
A. it makes acquiring that good illegal. B. the cost of breaking the ban changes the trade-offs consumers face. C. it is attempting to solve the nonexcludability problem. D. All of these statements are true.
The marginal product of labor is
A. the percentage change in output divided by the percentage change in labor. B. the change in output that results from an increase of labor by one unit. C. the output produced by a worker of average quality. D. total output divided by total labor.