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Chapter 13 The Costs of Production
MULTIPLE CHOICE
1. Analyzing the behavior of the firm enhances our understanding of
a.
what decisions lie behind the market supply curve.
b.
how consumers allocate their income to purchase scarce resources.
c.
how financial institutions set interest rates.
d.
whether resources are allocated fairly.
2. A student might describe information about the costs of production as
a.
dry and technical.
b.
boring.
c.
crucial to understanding firms and market structures.
d.
All of the above could be correct.
3. A student might describe information about the costs of production as
a.
exciting and fresh.
b.
unimportant for understanding market structure.
c.
dry and technical.
d.
vibrant and enthralling.
4. Which field of economics studies how the number of firms affects the prices in a market and the efficiency of
market outcomes?
a.
macroeconomics
b.
industrial organization
c.
labor economics
d.
monetary economics
5. Economists in the field of industrial organization study how
a.
central banking policies affect financial markets.
b.
firms’ demand for labor and individuals’ supply of labor affect resource markets.
c.
firms’ decisions about prices and quantities depend on market conditions.
d.
externalities and public goods affect the environment.
2 ❖ Chapter 13/The Costs of Production
6. Industrial organization is the study of how
a.
labor unions organize workers in industries.
b.
profitable firms are in organized industries.
c.
industries organize for political advantage.
d.
firms' decisions regarding prices and quantities depend on the market conditions they face.
7. To an economist, the field of industrial organization answers which of the following questions?
a.
Why are consumers subject to the law of demand?
b.
Why do firms experience diminishing marginal products of inputs?
c.
How does the number of firms affect prices and the efficiency of market outcomes?
d.
Why do firms consider production costs when determining product supply?
WHAT ARE COSTS?
1. Economists assume that the typical person who starts her own business does so with the intention of
a.
donating the profits from her business to charity.
b.
capturing the highest number of sales in her industry.
c.
maximizing profits.
d.
minimizing costs.
2. Economists normally assume that the goal of a firm is to
(i)
sell as much of its product as possible.
(ii)
set the price of the product as high as possible.
(iii)
maximize profit.
a.
(i) and (ii) only
b.
(ii) and (iii) only
c.
(iii) only
d.
(i), (ii), and (iii)
3. Economists normally assume that the goal of a firm is to earn
(i)
profits as large as possible, even if it means reducing output.
(ii)
profits as large as possible, even if it means incurring a higher total cost.
(iii)
revenues as large as possible, even if it reduces profits.
a.
(i) and (ii) only
b.
(i) and (iii) only
c.
(ii) and (iii) only
d.
(i), (ii), and (iii)
Chapter 13/The Costs of Production ❖ 3
4. An entrepreneur’s motivation to start a business arises from
a.
an innate love for the type of business that he or she starts.
b.
a desire to earn a profit.
c.
an altruistic desire to provide the world with a good product.
d.
All of the above could be correct.
5. Economists normally assume that the goal of a firm is to
a.
maximize its total revenue.
b.
maximize its profit.
c.
minimize its explicit costs.
d.
minimize its total cost.
6. Economists assume that the goal of the firm is to maximize total
a.
revenue.
b.
profits.
c.
costs.
d.
satisfaction.
7. When a firm is making a profit-maximizing production decision, which of the following principles of econom-
ics is likely to be most important to the firm's decision?
a.
The cost of something is what you give up to get it.
b.
A country's standard of living depends on its ability to produce goods and services.
c.
Prices rise when the government prints too much money.
d.
Governments can sometimes improve market outcomes.
8. The amount of money that a firm receives from the sale of its output is called
a.
total gross profit.
b.
total net profit.
c.
total revenue.
d.
net revenue.
9. Total revenue equals
a.
price x quantity.
b.
price/quantity.
c.
(price x quantity) - total cost.
d.
output - input.
4 ❖ Chapter 13/The Costs of Production
10. Which of the following can be added to profit to obtain total revenue?
a.
net profit
b.
capital profit
c.
operational profit
d.
total cost
11. If Darren sells 300 glasses of iced tea at $0.50 each, his total revenues are
a.
$150.
b.
$299.50.
c.
$300.
d.
$600.
12. If Tanya sells 200 glasses of fruit punch at $0.50 each, her total revenues are
a.
$100.
b.
$199.50.
c.
$200.
d.
$400.
13. Cody builds mailboxes. If he charges $20 for each mailbox, his total revenue will be
a.
$1,000 if he sells 100 mailboxes.
b.
$500 if he sells 25 mailboxes.
c.
$20 regardless of how many mailboxes he sells.
d.
$200 if he sells 5 mailboxes.
14. The Big Box corporation produced and sold 500 units of output. The average cost of production per unit was
$50. Each unit sold for a price of $65. The Big Box corporation’s total revenues are
a.
$7,500.
b.
$25,000.
c.
$32,500.
d.
$67,500.
15. Trevor’s Tire Company produced and sold 500 tires. The average cost of production per tire was $50. Each
tire sold for a price of $65. Trevor’s Tire Company’s total costs are
a.
$7,500.
b.
$25,000.
c.
$32,500.
d.
$67,500.
Chapter 13/The Costs of Production ❖ 5
16. Trevor’s Tire Company produced and sold 500 tires. The average cost of production per tire was $50. Each
tire sold for a price of $65. Trevor’s Tire Company’s total profits are
a.
$7,500.
b.
$25,000.
c.
$32,500.
d.
$67,500.
17. A certain firm manufactures and sells computer chips. Last year it sold 2 million chips at a price of $10 per
chip. For last year, the firm's
a.
accounting profit was $20 million.
b.
economic profit was $20 million.
c.
total revenue was $20 million.
d.
explicit costs was $20 million.
18. A certain firm produces and sells potato chips. Last year it sold 3 million bags of chips at a price of $3 per bag.
For last year, the firm's
a.
accounting profit was $9 million.
b.
economic profit was $9 million.
c.
total revenue was $9 million.
d.
explicit costs was $9 million.
19. The amount of money that a firm pays to buy inputs is called
a.
total cost.
b.
variable cost.
c.
marginal cost.
d.
fixed cost.
20. Total cost is the
a.
amount a firm receives for the sale of its output.
b.
fixed cost less variable cost.
c.
market value of the inputs a firm uses in production.
d.
quantity of output minus the quantity of inputs used to make a good.
21. Profit is defined as
a.
net revenue minus depreciation.
b.
total revenue minus total cost.
c.
average revenue minus average total cost.
d.
marginal revenue minus marginal cost.
6 ❖ Chapter 13/The Costs of Production
22. Profit is defined as total revenue
a.
plus total cost.
b.
times total cost.
c.
minus total cost.
d.
divided by total cost.
23. Daphne sells 300 glasses of lemonade at $0.50 each. Her total costs are $125. Her profits are
a.
$25.
b.
$124.50.
c.
$125.
d.
$150.
24. Joy sells 200 glasses of iced tea at $0.50 each. Her total costs are $25. Her profits are
a.
$25.
b.
$75.
c.
$100.
d.
$175.
25. Billy’s Bean Bag Emporium produced 300 bean bag chairs but sold only 275 of the units it produced. The av-
erage cost of production for each unit of output produced was $100. The price for each of the 275 units sold
was $95. Total profit for Billy’s Bean Bag Emporium would be
a.
-$3,875.
b.
$26,125.
c.
$28,500.
d.
$30,000.
26. The things that must be forgone to acquire a good are called
a.
implicit costs.
b.
opportunity costs.
c.
explicit costs.
d.
accounting costs.
27. A firm's opportunity costs of production are equal to its
a.
explicit costs only.
b.
implicit costs only.
c.
explicit costs + implicit costs.
d.
explicit costs + implicit costs + total revenue.
Chapter 13/The Costs of Production ❖ 7
28. Wiladee used to work as an office manager, earning $25,000 per year. She gave up that job to start a tailoring
business. In calculating the economic profit of her tailoring business, the $25,000 income that she gave up is
counted as part of the tailoring firm's
a.
total revenue.
b.
opportunity costs.
c.
explicit costs.
d.
marginal costs.
29. John has decided to start his own lawn-mowing business. To purchase the mowers and the trailer to transport
the mowers, John withdrew $1,000 from his savings account, which was earning 3% interest, and borrowed an
additional $2,000 from the bank at an interest rate of 7%. What is John's annual opportunity cost of the finan-
cial capital that has been invested in the business?
a.
$30
b.
$140
c.
$170
d.
$300
30. Gloria has decided to start her own snow removal business. To purchase the necessary equipment, Gloria
withdrew $2,000 from her savings account, which was earning 3% interest, and borrowed an additional $4,000
from the bank at an interest rate of 7%. What is Gloria's annual opportunity cost of the financial capital that
has been invested in the business?
a.
$60
b.
$280
c.
$340
d.
$660
31. Zach has decided to start his own photography studio. To purchase the necessary equipment, Zach withdrew
$10,000 from his savings account, which was earning 3% interest, and borrowed an additional $5,000 from the
bank at an interest rate of 8%. What is Zach's annual opportunity cost of the financial capital that has been in-
vested in the business?
a.
$300
b.
$400
c.
$700
d.
$1,650
32. The value of a business owner's time is an example of
a.
an opportunity cost.
b.
a fixed cost.
c.
an explicit cost.
d.
total revenue.
8 ❖ Chapter 13/The Costs of Production
33. An example of an opportunity cost that is also an implicit cost is
a.
a lease payment.
b.
the cost of raw materials.
c.
the value of the business owner’s time.
d.
All of the above are correct.
34. Which of the following statements is correct?
a.
Opportunity costs equal explicit minus implicit costs.
b.
Economists consider opportunity costs to be included in a firm’s total revenues.
c.
Economists consider opportunity costs to be included in a firm’s costs of production.
d.
All of the above are correct.
35. Explicit costs
a.
require an outlay of money by the firm.
b.
include all of the firm's opportunity costs.
c.
include the value of the business owner’s time.
d.
Both b and c are correct.
36. An example of an explicit cost of production would be the
a.
cost of forgone labor earnings for an entrepreneur.
b.
lost opportunity to invest in capital markets when the money is invested in one's business.
c.
lease payments for the land on which a firm’s factory stands.
d.
Both a and c are correct.
37. Pete owns a shoe-shine business. His accountant most likely includes which of the following costs on his fi-
nancial statements?
a.
wages Pete could earn washing windows
b.
dividends Pete's money was earning in the stock market before Pete sold his stock and bought a
shoe-shine booth
c.
the cost of shoe polish
d.
Both b and c are correct.
Chapter 13/The Costs of Production ❖ 9
38. Pete owns a shoe-shine business. His accountant most likely includes which of the following costs on his fi-
nancial statements?
(i)
shoe polish
(ii)
rent on the shoe stand
(iii)
wages Pete could earn delivering newspapers
(iv)
interest that Pete’s money was earning before he spent his savings to set up the shoe-shine
business
a.
(i) only
b.
(i) and (ii) only
c.
(iii) and (iv) only
d.
(i), (ii), (iii), and (iv)
39. Explicit costs
a.
do not require an outlay of money by the firm.
b.
enter into the accountant's measurement of a firm's profit.
c.
enter into the economist's measurement of a firm's profit.
d.
Both b and c are correct.
40. A difference between explicit and implicit costs is that
a.
explicit costs must be greater than implicit costs.
b.
explicit costs do not require a direct monetary outlay by the firm, whereas implicit costs do.
c.
implicit costs do not require a direct monetary outlay by the firm, whereas explicit costs do.
d.
implicit costs must be greater than explicit costs.
41. Which of the following would be an example of an implicit cost?
(i)
forgone investment opportunities
(ii)
wages of workers
(iii)
raw materials costs
a.
(i) only
b.
(ii) only
c.
(ii) and (iii) only
d.
(i) and (iii) only
10 ❖ Chapter 13/The Costs of Production
42. Pete owns a shoe-shine business. Which of the following costs would be implicit costs?
(i)
shoe polish
(ii)
rent on the shoe stand
(iii)
wages Pete could earn delivering newspapers
(iv)
interest that Pete’s money was earning before he spent his savings to set up the shoe-shine
business
a.
(i) and (ii) only
b.
(iv) only
c.
(iii) and (iv) only
d.
(i), (ii), (iii), and (iv)
43. Implicit costs
a.
do not require an outlay of money by the firm.
b.
do not enter into the economist's measurement of a firm's profit.
c.
are also known as variable costs.
d.
are not part of an economist’s measurement of opportunity cost.
44. Which of the following is an example of an implicit cost?
(i)
the owner of a firm forgoing an opportunity to earn a large salary working for a Wall Street
brokerage firm
(ii)
interest paid on the firm's debt
(iii)
rent paid by the firm to lease office space
a.
(ii) and (iii) only
b.
(i) and (iii) only
c.
(i) only
d.
(iii) only
45. The amount of money that a wheat farmer could have earned if he had planted barley instead of wheat is
a.
an explicit cost.
b.
an accounting cost
c.
an implicit cost.
d.
forgone accounting profit.
46. Which of the following is an example of an implicit cost?
a.
salaries paid to owners who work for the firm
b.
interest on money borrowed to finance equipment purchases
c.
cash payments for raw materials
d.
foregone rent on office space owned and used by the firm
Chapter 13/The Costs of Production ❖ 11
47. Foregone investment opportunities are an example of
a.
an explicit cost.
b.
an implicit cost.
c.
revenues.
d.
profits.
48. Jacqui decides to open her own business and earns $50,000 in accounting profit the first year. When deciding
to open her own business, she turned down three separate job offers with annual salaries of $30,000, $40,000,
and $45,000. What is Jacqui's economic profit from running her own business?
a.
$-55,000
b.
$-5,000
c.
$5,000
d.
$20,000
49. Bev is opening her own court-reporting business. She financed the business by withdrawing money from her
personal savings account. When she closed the account, the bank representative mentioned that she would
have earned $300 in interest next year. If Bev hadn’t opened her own business, she would have earned a sal-
ary of $25,000. In her first year, Bev’s revenues were $30,000. Which of the following statements is correct?
a.
Bev’s total explicit costs are $25,300.
b.
Bev’s total implicit costs are $300.
c.
Bev’s accounting profits exceed her economic profits by $300.
d.
Bev’s economic profit is $4,700.
50. Walter used to work as a high school teacher for $40,000 per year but quit in order to start his own painting
business. To invest in his painting business, he withdrew $20,000 from his savings, which paid 3 percent inter-
est, and borrowed $30,000 from his uncle, whom he pays 3 percent interest per year. Last year Walter paid
$25,000 for supplies and had revenue of $60,000. Walter asked Tyler the accountant and Greg the economist
to calculate his painting business’s costs.
a.
Tyler says his costs are $25,900, and Greg says his costs are $66,500.
b.
Tyler says his costs are $25,000, and Greg says his costs are $65,000.
c.
Tyler says his costs are $66,500, and Greg says his costs are $66,500.
d.
Tyler says his costs are $75,000, and Greg says his costs are $41,500.
51. Walter used to work as a high school teacher for $40,000 per year but quit in order to start his own painting
business. To invest in his painting business, he withdrew $20,000 from his savings, which paid 3 percent inter-
est, and borrowed $30,000 from his uncle, whom he pays 3 percent interest per year. Last year Walter paid
12 ❖ Chapter 13/The Costs of Production
$25,000 for supplies and had revenue of $60,000. Walter asked Tyler the accountant and Greg the economist
to calculate his painting business’s profit.
a.
Tyler says his profit is $25,900, and Greg says his profit is $66,500.
b.
Tyler says his profit is $35,000, and Greg says he lost $5,900.
c.
Tyler says his profit is $34,100, and Greg says he lost $6,500.
d.
Tyler says his profit is $34,100, and Greg says his profit is $34,100.
52. Which of the following statements is correct?
a.
Assuming that explicit costs are positive, economic profit is greater than accounting profit.
b.
Assuming that implicit costs are positive, accounting profit is greater than economic profit.
c.
Assuming that explicit costs are positive, accounting profit is equal to economic profit.
d.
Assuming that implicit costs are positive, economic profit is positive.
53. Katherine gives piano lessons for $15 per hour. She also grows flowers, which she arranges and sells at the
local farmer’s market. One day she spends 5 hours planting $50 worth of seeds in her garden. Once the seeds
have grown into flowers, she can sell them for $150 at the farmer’s market. Katherine’s accounting profits are
a.
$100, and her economic profits are $25.
b.
$100, and her economic profits are $75.
c.
$25, and her economic profits are $100.
d.
$75, and her economic profits are $125.
54. Katherine gives piano lessons for $20 per hour. She also grows flowers, which she arranges and sells at the
local farmer’s market. One day she spends 5 hours planting $50 worth of seeds in her garden. Once the seeds
have grown into flowers, she can sell them for $150 at the farmer’s market. Katherine’s accounting profits are
a.
$100, and her economic profits are $100.
b.
$100, and her economic profits are $0.
c.
$0, and her economic profits are $100.
d.
$0, and her economic profits are $-100.
55. The difference between accounting profit and economic profit is
a.
explicit costs.
b.
implicit costs.
c.
total revenue.
d.
marginal product.
Chapter 13/The Costs of Production ❖ 13
56. Economic profit is equal to total revenue minus the
a.
explicit cost of producing goods and services.
b.
opportunity cost of producing goods and services.
c.
accounting cost of producing goods and services.
d.
implicit cost of producing goods and services.
57. Economic profit
a.
will never exceed accounting profit.
b.
is most often equal to accounting profit.
c.
is always at least as large as accounting profit.
d.
is a less complete measure of profitability than accounting profit.
58. When calculating a firm's profit, an economist will subtract only
a.
explicit costs from total revenue because these are the only costs that can be measured explicitly.
b.
implicit costs from total revenue because these include both the costs that can be directly measured
as well as the costs that can be indirectly measured.
c.
the opportunity costs from total revenue because these include both the implicit and explicit costs
of the firm.
d.
the marginal cost because the cost of the next unit is the only relevant cost.
59. Total revenue minus both explicit and implicit costs is called
a.
accounting profit.
b.
economic profit.
c.
average total cost.
d.
total cost.
60. Total revenue minus only explicit costs is called
a.
accounting profit.
b.
economic profit.
c.
average total cost.
d.
implicit profit.
61. Total revenue minus only implicit costs is called
a.
accounting profit.
b.
economic profit.
c.
opportunity cost.
d.
None of the above is correct.
14 ❖ Chapter 13/The Costs of Production
62. Tom quit his $65,000 a year corporate lawyer job to open up his own law practice. In Tom's first year in busi-
ness his total revenue equaled $150,000. Tom's explicit cost during the year totaled $85,000. What is Tom’s
economic profit for his first year in business?
a.
$0
b.
$20,000
c.
$65,000
d.
$85,000
63. The difference between accounting profit and economic profit relates to
a.
the manner in which revenues are defined.
b.
how marginal revenue is calculated.
c.
the manner in which costs are defined.
d.
the price of the good in the market.
64. Jane was a partner at a law firm earning $223,000 per year. She left the firm to open her own law practice. In
the first year of business she generated revenues of $347,000 and incurred explicit costs of $163,000. Jane’s
economic profit from her first year in her own practice is
a.
-$39,000.
b.
$124,000.
c.
$163,000.
d.
$184,000.
65. Accounting profit is equal to
a.
marginal revenue minus marginal cost.
b.
total revenue minus the explicit cost of producing goods and services.
c.
total revenue minus the opportunity cost of producing goods and services.
d.
average revenue minus the average cost of producing the last unit of a good or service.
66. Which of the following expressions is correct?
a.
accounting profit = total revenue - explicit costs
b.
economic profit = total revenue - implicit costs
c.
economic profit = total revenue - explicit costs
d.
Both a and b are correct.
67. Which of the following expressions is correct?
a.
accounting profit = economic profit + implicit costs
b.
accounting profit = total revenue - implicit costs
c.
economic profit = accounting profit + explicit costs
d.
economic profit = total revenue - implicit costs
Chapter 13/The Costs of Production ❖ 15
68. Suppose that for a particular business there are no implicit costs. Then
a.
accounting profit will be greater than economic profit.
b.
accounting profit will be the same as economic profit.
c.
accounting profit will be less than economic profit.
d.
the relationship between accounting profit and economic profit cannot be determined without more
information.
69. Refer to Scenario 13-1. If Calvin purchases the factory with his own money, what is the annual implicit op-
portunity cost of purchasing the factory?
a.
$0
b.
$3,000
c.
$12,000
d.
$15,000
70. Refer to Scenario 13-1. Suppose Calvin purchases the factory using $200,000 of his own money and
$200,000 borrowed from a bank at an interest rate of 6 percent. What is Calvin’s annual opportunity cost of
purchasing the factory?
a.
$3,000
b.
$6,000
c.
$15,000
d.
$18,000
Scenario 13-2
Chelsea wants to start her own Christmas ornament business. She can purchase a suitable factory that costs
$100,000. Chelsea currently has $150,000 in the bank earning 3 percent interest per year.
71. Refer to Scenario 13-2. Suppose Chelsea purchases the factory using her own money. What is Chelsea’s an-
nual implicit opportunity cost of purchasing the factory?
a.
$2,000
b.
$3,000
c.
$4,500
d.
$5,000
16 ❖ Chapter 13/The Costs of Production
72. Refer to Scenario 13-2. Suppose Chelsea purchases the factory using $50,000 of her own money and $50,000
borrowed from a bank at an interest rate of 6 percent. What is Chelsea’s annual opportunity cost of purchasing
the factory?
a.
$2,000
b.
$3,000
c.
$4,500
d.
$5,000
Scenario 13-3
Gary is a senior majoring in computer network development at Smart State University. While he has been
attending college, Gary started a computer consulting business to help senior citizens set up their network
connections and teach them how to use e-mail. Gary charges $25 per hour for his consulting services. Gary
also works 5 hours a week for the Economics Department to maintain that department's Web page. The
Economics Department pays Gary $20 per hour.
73. Refer to Scenario 13-3. If Gary can work additional hours at either job, what is the opportunity cost if Gary
spends one hour reading a novel?
a.
$20
b.
$25
c.
$100
d.
$125
74. Refer to Scenario 13-3. Which of the following statements is correct?
a.
Gary should increase the number of hours he works for the Economics Department to make it
comparable to his consulting business income.
b.
Gary is not maximizing his well-being if he continues to work for the Economics Department.
c.
If Gary chooses one hour at the beach with his friends rather than spend one more hour with a
consulting client, the forgone income of $25 is considered a cost of the choice to go to the beach.
d.
Both b) and c) are correct
Scenario 13-4
Suppose that Abdul opens a coffee shop. He receives a loan from a bank for $100,000. He withdraws
$50,000 from his personal savings account. The interest rate on the loan is 8%, and the interest rate on his
savings account is 2%.
75. Refer to Scenario 13-4. Abdul’s explicit cost of capital is
a.
$8,000.
b.
$4,000.
c.
$2,000.
d.
$1,000.
Chapter 13/The Costs of Production ❖ 17
76. Refer to Scenario 13-4. Abdul’s implicit cost of capital is
a.
$8,000.
b.
$4,000.
c.
$2,000.
d.
$1,000.
Scenario 13-5
Suppose that Emily opens a restaurant. She receives a loan from a bank for $200,000. She withdraws
$100,000 from her personal savings account. The interest rate on the loan is 6%, and the interest rate on her
savings account is 2%.
77. Refer to Scenario 13-5. Emily’s explicit cost of capital is
a.
$2,000.
b.
$4,000.
c.
$12,000.
d.
$14,000.
78. Refer to Scenario 13-5. Emily’s implicit cost of capital is
a.
$2,000.
b.
$4,000.
c.
$12,000.
d.
$14,000.
79. Refer to Scenario 13-5. Emily’s total opportunity cost of capital is
a.
$2,000.
b.
$4,000.
c.
$12,000.
d.
$14,000.
Scenario 13-6
Tony is a wheat farmer, but he also spends part of his day teaching guitar lessons. Due to the popularity of his
local country western band, Farmer Tony has more students requesting lessons than he has time for if he is to
also maintain his farming business. Farmer Tony charges $25 an hour for his guitar lessons. One spring day,
he spends 10 hours in his fields planting $130 worth of seeds on his farm. He expects that the seeds he planted
will yield $300 worth of wheat.
80. Refer to Scenario 13-6. What is the total opportunity cost of the day that Farmer Tony spent in the field plant-
ing wheat?
a.
$130
b.
$250
c.
$300
d.
$380
18 ❖ Chapter 13/The Costs of Production
81. Refer to Scenario 13-6. An economist would calculate Tony's total cost to equal
a.
$130.
b.
$250.
c.
$300.
d.
$380.
82. Refer to Scenario 13-6. Tony's accountant would calculate the total cost of his farming to equal
a.
$25.
b.
$130.
c.
$300.
d.
$380.
83. Refer to Scenario 13-6. Tony's accounting profit equals
a.
$-80.
b.
$130.
c.
$170.
d.
$260.
84. Refer to Scenario 13-6. Tony's economic profit equals
a.
$-130.
b.
$-80.
c.
$130.
d.
$170.
Scenario 13-7
Wanda owns a lemonade stand. She produces lemonade using five inputs: water, sugar, lemons, paper cups,
and labor. Her costs per glass are as follows: $0.01 for water, $0.02 for sugar, $0.03 for lemons, $0.02 for
cups, and $0.10 for the opportunity cost of her labor. She can sell 300 glasses for $0.50 each.
85. Refer to Scenario 13-7. What are Wanda’s explicit costs per glass?
a.
$0.18
b.
$0.10
c.
$0.08
d.
$0.02
86. Refer to Scenario 13-7. What are Wanda’s implicit costs per glass?
a.
$0.18
b.
$0.10
c.
$0.08
d.
$0.02
Chapter 13/The Costs of Production ❖ 19
87. Refer to Scenario 13-7. What are Wanda’s total economic costs per glass?
a.
$0.18
b.
$0.10
c.
$0.08
d.
$0.02
88. Refer to Scenario 13-7. What are Wanda’s total accounting profits?
a.
$150
b.
$126
c.
$96
d.
$24
89. Refer to Scenario 13-7. What are Wanda’s total economic profits?
a.
$150
b.
$126
c.
$96
d.
$54
Scenario 13-8
Ellie has been working for an engineering firm and earning an annual salary of $80,000. She decides to open
her own engineering business. Her annual expenses will include $15,000 for office rent, $3,000 for equipment
rental, $1,000 for supplies, $1,200 for utilities, and a $35,000 salary for a secretary/bookkeeper. Ellie will
cover her start-up expenses by cashing in a $20,000 certificate of deposit on which she was earning annual
interest of $500.
90. Refer to Scenario 13-8. Ellie's annual implicit costs will equal
a.
$55,200.
b.
$75,200.
c.
$80,500.
d.
$165,700.
91. Refer to Scenario 13-8. Ellie's annual accounting costs will equal
a.
$55,200.
b.
$75,200.
c.
$80,500.
d.
$165,700.
20 ❖ Chapter 13/The Costs of Production
92. Refer to Scenario 13-8. Ellie's annual economic costs will equal
a.
$55,200.
b.
$75,200.
c.
$80,500.
d.
$135,700.
93. Refer to Scenario 13-8. According to Ellie’s accountant, which of the following revenue totals will yield her
business $50,000 in profits?
a.
$55,200
b.
$105,200
c.
$132,500
d.
$185,700
94. Refer to Scenario 13-8. According to an economist, which of the following revenue totals will yield Ellie’s
business $50,000 in economic profits?
a.
$55,200
b.
$100,200
c.
$132,500
d.
$185,700
Scenario 13-9
Jessica makes photo frames. She spends $5 on the materials for each photo frame. She can create one photo
frame in an hour. She earns $10 per hour at a part-time job at the local coffee shop. She can sell a photo
frame for $30 each.
95. Refer to Scenario 13-9. An accountant would calculate the total cost for one photo frame to be
a.
$5.
b.
$10.
c.
$15.
d.
$25.
96. Refer to Scenario 13-9. An economist would calculate the total cost for one photo frame to be
a.
$5.
b.
$10.
c.
$15.
d.
$25.
