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Susie purchased a nonrefundable ticket to a soccer match for $20. It will cost her $10 worth of gas and wear and tear to drive to the match and $5 to park her car. On the day of the match, Susie's boss offers her $100 to come to work instead. In considering what to do, which of the above would be considered a sunk cost?


A) The $20 ticket to the match.
B) The $10 cost to drive to the match.
C) The $5 cost to park at the stadium.
D) The $100 offered by Susie's boss.

E) A) and C)
F) C) and D)

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The following is cost information for the Creamy Crisp Donut Company.Entrepreneur's potential earnings as a salaried worker = $40,000Annual lease on building = $25,000Annual revenue from operations = $420,000Payments to workers = $150,000Utilities (electricity, water, disposal) costs = $8,000Value of entrepreneur's talent in the next best entrepreneurial activity = $80,000Entrepreneur's forgone interest on personal funds used to finance the business = $6,000Creamy Crisp's implicit costs, including a normal profit, are


A) $126,000.
B) $183,000.
C) $111,000.
D) $189,000.

E) B) and C)
F) None of the above

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Why do economists say we should ignore sunk costs?

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In making a new decision, you should ign...

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Which of the following is most likely to be a variable cost?


A) fuel and power payments
B) interest on business loans
C) rental payments on IBM equipment
D) real estate taxes

E) B) and C)
F) A) and D)

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The fixed cost of the firm is $500. The firm's total variable cost is indicated in the table. The fixed cost of the firm is $500. The firm's total variable cost is indicated in the table.   The average variable cost of the firm when 5 units of output are produced is A) $100. B) $200. C) $300. D) $400. The average variable cost of the firm when 5 units of output are produced is


A) $100.
B) $200.
C) $300.
D) $400.

E) A) and C)
F) C) and D)

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The following is cost information for the Creamy Crisp Donut Company.Entrepreneur's potential earnings as a salaried worker = $50,000Annual lease on building = $22,000Annual revenue from operations = $380,000Payments to workers = $120,000Utilities (electricity, water, disposal) costs = $8,000Value of entrepreneur's talent in the next best entrepreneurial activity = $80,000Entrepreneur's forgone interest on personal funds used to finance the business = $6,000Creamy Crisp Donut Company


A) has lower explicit costs, than implicit costs.
B) is earning a normal profit but not an economic profit.
C) is earning an economic profit.
D) is suffering an economic loss, when implicit costs are considered.

E) All of the above
F) A) and C)

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When the total product curve is falling, the


A) marginal product of labor is zero.
B) marginal product of labor is negative.
C) average product of labor is increasing.
D) average product of labor must be negative.

E) A) and B)
F) None of the above

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Economic profit is found by subtracting accounting costs from total revenue.

A) True
B) False

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In the long run, a firm can increase its output quantity, but it will be limited by the size of its existing production plant.

A) True
B) False

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Assume a firm is operating at minimum average total cost in the short run. If there is a decrease in output, it follows that


A) marginal cost increases.
B) average fixed cost increases.
C) average total cost decreases.
D) average variable cost increases.

E) A) and C)
F) None of the above

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When the Defense Department ordered 132 new airplanes, the cost per plane was estimated to be $580 million. A cut in the order to 75 planes increased the per plane cost to $800 million. This change in per unit cost can be explained by


A) a move to minimum efficient scale.
B) the law of diminishing returns.
C) the loss of economies of scale.
D) an increase in total fixed cost.

E) All of the above
F) C) and D)

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If the law of diminishing returns applies to study time,


A) the tenth hour of study will likely be less productive than the third.
B) this implies that longer lectures are less productive than shorter ones.
C) there is no benefit to studying a subject more than five hours in any given day.
D) people with less intelligence necessarily experience diminishing returns sooner than those with greater intelligence.

E) A) and B)
F) A) and D)

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What are some of the sources of cost savings for recent business start-ups in the U.S. economy such as Intel, Starbucks, Microsoft, Instagram, Amazon, and Cisco Systems?

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These firms reduce their costs by moving...

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Answer the question on the basis of the following information. Answer the question on the basis of the following information.   When six workers are employed, A) marginal product is 4. B) marginal product is 1. C) total product is 5.7. D) average product cannot be determined from the information given. When six workers are employed,


A) marginal product is 4.
B) marginal product is 1.
C) total product is 5.7.
D) average product cannot be determined from the information given.

E) A) and C)
F) None of the above

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When a bakery manager reports that at her bakery, productivity of her 15 workers last month was 1,800 loaves per worker, she is referring to the


A) total product of labor.
B) average product of labor.
C) marginal product of labor.
D) total product of capital.

E) None of the above
F) C) and D)

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Harvey quit his job at State University, where he earned $45,000 a year. He figures his entrepreneurial talent or forgone entrepreneurial income to be $5,000 a year. To start the business, he cashed in $100,000 in bonds that earned 10 percent interest annually to buy a software company, Extreme Gaming. In the first year, the firm sold 11,000 units of software at $75 for each unit. Of the $75 per unit, $55 goes for the costs of production, packaging, marketing, employee wages and benefits, and rent on a building.The total revenues of Harvey's firm in the first year were


A) $220,000.
B) $105,000.
C) $605,000.
D) $825,000.

E) C) and D)
F) B) and D)

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At the Amarillo Piano Company, the average product of labor stays constant at 5, regardless of how much labor is employed. This implies that


A) there are no fixed costs.
B) this firm can never maximize its profits.
C) the marginal product of labor is constant.
D) labor exhibits diminishing marginal returns.

E) A) and B)
F) A) and C)

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Use the following data to answer the question. Use the following data to answer the question.   Diminishing returns begin to occur with the hiring of the _________ unit of labor. A) second B) third C) fourth D) seventh Diminishing returns begin to occur with the hiring of the _________ unit of labor.


A) second
B) third
C) fourth
D) seventh

E) A) and D)
F) All of the above

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Which of the following gadgets is hoped to deliver a Third Industrial Revolution?


A) tablet computers or iPads
B) GPS and iPhones
C) 3-D printers
D) drones or unmanned aerial vehicles

E) A) and B)
F) None of the above

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What is the law of diminishing returns? Include its two assumptions.

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The law of diminishing returns is the pr...

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