超星 - 第五章章节测试英文

单选题

Which of the following statements is true regarding the differences between economic and accounting costs?

Accounting costs include all implicit and explicit costs.
B. Economic costs include implied costs only.
C. Accountants consider only implicit costs when calculating costs.
D. Accounting costs include only explicit costs.

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单选题

Fixed costs are fixed with respect to changes in

A. output.
B. capital expenditure.
C. wages.
D. time.

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单选题

Which of the following costs always declines as output increases?

Average cost
B. Marginal cost
C. Fixed cost
D. Average fixed cost
E. Average variable cost

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单选题

The total cost (TC) of producing computer software diskettes (Q) is given as: TC = 200 + 5Q. What is the variable cost?

A. 200
B. 5Q
C. 5
D. 5 + (200/Q)
E. none of the above

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单选题

The total cost (TC) of producing computer software diskettes (Q) is given as: TC = 200 + 5Q. What is the fixed cost?

A. 200
B. 5Q
C. 5
D. 5 + (200/Q)
E. none of the above

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单选题

The total cost (TC) of producing computer software diskettes (Q) is given as: TC = 200 + 5Q. What is the marginal cost?

A. 200
B. 5Q
C. 5
D. 5 + (200/Q)
E. none of the above

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单选题

The total cost (TC) of producing computer software diskettes (Q) is given as: TC = 200 + 5Q. What is the average total cost?

A. 500
B. 5Q
C. 5
D. 5 + (200/Q)
E. none of the above

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单选题

The total cost (TC) of producing computer software diskettes (Q) is given as: TC = 200 + 5Q. What is the average fixed cost?

A. 500
B. 5Q
C. 5
D. 5 + (200/Q)
E. none of the above

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单选题

Which always increase(s) as output increases?

A. Marginal Cost only
B. Fixed Cost only
C. Total Cost only
D. Variable Cost only
E. Total Cost and Variable Cost

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单选题

Consider the following statements when answering this question; I. A firm's marginal cost curve does not depend on the level of fixed costs. II. As output increases the difference between a firm's average total cost and average variable cost curves cannot rise.

A. I is true, and II is false.
B. I is false, and II is true.
C. I and II are both true.
D. I and II are both false.

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