Refer to the information provided in Figure 7.9 below to answer the question(s) that follow. 
Figure 7.9Refer to Figure 7.9. The firm's isocost line would shift from CD to CE if
A. the price of capital falls.
B. the firm's total expenditure on inputs increases.
C. the price of labor falls.
D. either the price of labor rises or the firm's total expenditure on inputs increases.
Answer: C
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Given the data in Table 6.1, the unemployment rate of Metropolis is approximately
A) 6 percent. B) 9 percent. C) 12 percent. D) 22 percent.
The most volatile component of total investment spending is ________
A) construction spending by firms B) spending by firms on equipment C) residential construction by households D) inventory investment
In assessing the difference between monopoly performance and that of perfect competition, the best approach is to
a. measure the output of the monopolist and the output of the perfectly competitive firm. b. measure the output of the monopolist and the output of the perfectly competitive industry. c. measure the output purchased by consumers from the monopolist and from the perfectly competitive firm. d. calculate the marginal cost of the monopolist and of the perfectly competitive firm.
Which of the following events in U.S. history did not create economic growth (shift the production possibilities curve outward)?
A. The Louisiana Purchase in 1803 that nearly doubled the land mass of the United States. B. Inventions of machines such as Cyrus McCormick's mechanical reaper. C. The introduction of the moving assembly line in automobile production by Henry Olds. D. The dramatic reduction in the U.S. unemployment rate from 1939 to 1941 as we prepared to enter World War II.