Joe runs a business and needs to decide how many hours to stay open. Figure 2.2 illustrates his marginal benefit of staying open for each additional hour. Suppose that we observe Joe staying open 3 hours per day
If he is following the marginal principle, what must his marginal cost per hour be?
A) $24 B) $32 C) $40 D) $48
D
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Suppose the tax amount on the first $10,000 income is $0; $2000 on the next $20,000; $4000 on the next $20,000; $6000 on the next $30,000; and 40 percent on any income over $80,000. Family A has income of $30,000 and Family B has income of $80,000 What is the marginal and average tax rate for each family?
A) Family A: marginal—10 percent; average—6.7 percent; Family B: marginal—30 percent; average—15 percent. B) Family A: marginal—10 percent; average—20 percent; Family B: marginal—30 percent; average—23 percent. C) Family A: marginal—10 percent; average—10 percent; Family B: marginal—40 percent; average—40 percent. D) Family A: marginal—10 percent; average—15 percent; Family B: marginal—40 percent; average—20 percent.
Last year, the nominal interest rate was less than the anticipated rate of inflation
A) This means that not enough loans were made by banks. B) This means that the real interest rate was negative. C) This means that the real interest rate was very high. D) This scenario is not possible.