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Scenario 13-3 Zach took $500,000 out of the bank and used it to start his new cookie business.The bank account pays 4 percent interest per year.During the first year of his business, Zach sold 15,000 boxes of cookies for $3 per box.Also, during the first year, the cookie business incurred costs that required outlays of money amounting to $14,000. -Refer to Scenario 13-3.What was Zach's accounting profit for the year


A) -$455,000
B) -$56,000
C) $1000
D) $31,000

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When would one expect to observe diminishing marginal product of labour


A) when crowded factory space reduces the productivity of new workers
B) when workers are discouraged about the lack of help from other workers
C) when only new workers are trained in using the most productive capital
D) when union workers are told to reduce their work effort in preparation for a new round of collective bargaining talks

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What must be happening when marginal cost is greater than average total cost


A) Marginal cost is rising.
B) Marginal cost is falling.
C) Average total cost is rising.
D) Average total cost is falling.

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Figure 13-3 Figure 13-3    -Refer to Figure 13-3.Which of the marginal-cost curves reflects the existence of diminishing marginal product A) A B) B C) C D) D -Refer to Figure 13-3.Which of the marginal-cost curves reflects the existence of diminishing marginal product


A) A
B) B
C) C
D) D

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How would a production function that exhibits decreasing marginal product affect the shape of the total-cost curve? Explain and draw a graph.

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The total-cost curve will incr...

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What effect, if any, does diminishing marginal product have on the shape of the marginal-cost curve?

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Diminishing marginal...

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What does marginal cost equal


A) total cost divided by quantity of output produced
B) total output divided by the change in total cost
C) the change of total cost divided by the change of output
D) average cost divided by output

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What can the marginal product of labour be defined as


A) change in profit divided by change in quantity of labour
B) change in quantity of output divided by change in quantity of labour
C) change in quantity of labour divided by change in quantity of output
D) change in quantity of labour divided by change in profit

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Figure 13-4 The curves in this figure reflect information about the average total cost, average fixed cost, average variable cost, and marginal cost for a firm. Figure 13-4 The curves in this figure reflect information about the average total cost, average fixed cost, average variable cost, and marginal cost for a firm.    -Refer to Figure 13-4.When is this particular firm necessarily experiencing increasing marginal product A) when curve A is falling B) when curve B is falling C) when curve C is falling D) when curve D is falling -Refer to Figure 13-4.When is this particular firm necessarily experiencing increasing marginal product


A) when curve A is falling
B) when curve B is falling
C) when curve C is falling
D) when curve D is falling

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How does the average-fixed-cost curve behave


A) It always declines with increased levels of output.
B) It always rises with increased levels of output.
C) It declines as long as it is above marginal cost.
D) It declines as long as it is below marginal cost.

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Dolores used to work as a high school teacher for $55,000 per year but quit in order to start her own catering business.To buy the necessary equipment,she withdrew $30,000 from her savings (which paid 2 percent interest per year) and borrowed $30,000 from her uncle,to whom she pays 3 percent interest per year.Last year she paid $25,000 for ingredients and had revenue of $75,000.She asked Louis,an accountant,and Greg,an economist,to calculate her profit for her.What did they say


A) Louis said her profit was $49,100, and Greg said she lost $6500.
B) Louis said her profit was $49,100, and Greg said her profit was $6500.
C) Louis said her profit was $50,000, and Greg said she lost $5000.
D) Louis said her profit was $4500, and Greg said her profit was $33,500.

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Suppose that three different technologies can be used to produce a special product.The following table shows the total cost related to each technology for the amount of output produced per day.A firm is considering adopting a proper technology to produce this special product.Derive the long-run average- total-cost curve to help the firm making its decision.Quantity 1 2 3 4 5 6 7 Firm 1 $30 $40 $50 $60 $75 $90 $110 Firm 2 15 25 39 56 75 96 119 Firm 3 21 29 37 50 68 106 132

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First,we need to calculate average total...

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What is the relationship between accounting profit and economic profit


A) Accounting profit = Economic profit + Implicit costs
B) Accounting profit = Economic profit - Implicit costs
C) Economic profit = Accounting profit + Explicit costs
D) Economic profit = Accounting profit - Explicit costs

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Diminishing marginal product exists when the production function becomes flatter as inputs increase.

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What relationship does a production function measure


A) inputs and quantity of output
B) inputs and revenue
C) inputs and costs
D) inputs and profit

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The average-total-cost curve reflects the shape of both the average-fixed-cost and average-variable-cost curves.

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What happens when a business is operating a factory in the short run?


A) The business cannot alter variable costs.
B) Total cost and variable cost are usually the same.
C) Average fixed cost rises as output increases.
D) The business cannot adjust the quantity of fixed inputs.

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Because of the greater flexibility that firms have in the long run,all short-run-cost curves lie on or above the long-run curve.

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XYZ Corporation produced 300 units of output but sold only 250 of the units it produced.The average cost of production for each unit of output produced was $100.Each of the 250 units sold was sold for a price of $95.What would total revenue for XYZ Corporation be


A) -$3875
B) $3875
C) $23,750
D) $25,500

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Figure 13-4 The curves in this figure reflect information about the average total cost, average fixed cost, average variable cost, and marginal cost for a firm. Figure 13-4 The curves in this figure reflect information about the average total cost, average fixed cost, average variable cost, and marginal cost for a firm.    -Refer to Figure 13-4.Which of the curves is most likely to represent average fixed cost A) A B) B C) C D) D -Refer to Figure 13-4.Which of the curves is most likely to represent average fixed cost


A) A
B) B
C) C
D) D

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