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Exam 13: The Costs of Production

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Question 81

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Scenario 13-12 Ariana withdrew $400,000 out of her personal savings account and used it to start her new Internet cafe. The savings account pays 3 percent interest per year. During the first year of her business, Ariana sold 2,000 cups of coffee for $2.50 per cup and 4,000 hours of Internet time, also at $2.50 per hour. During the first year, the business made monetary outlays of $9,000. You may assume that there is no opportunity cost to Ariana's time. -Refer to Scenario 13-12. Ariana's accounting profit for the year was

A) $-394,000.
B) $-6,000.
C) $6,000.
D) $12,000.

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

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Question 82

Multiple Choice

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Which of the following statements is correct?

A) For most producers, the average total cost curve never crosses the marginal cost curve.
B) The average fixed cost curve must eventually rise.
C) The average total cost curve first rises, then falls with increased output.
D) The marginal cost curve eventually rises with the quantity of output.

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

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Question 83

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Scenario 13-16 Barney builds custom wooden birdhouses. He can make 150 birdhouses per month and sell them for $50 each. His average total cost is $30 per birdhouse. -Refer to Scenario 13-16. Barney's monthly total profit is

Table 13-19 -Refer to Table 13-19. What is the marginal product of the sixth worker?

Scenario 13-11 Walter builds birdhouses. He spends $5 on the materials for each birdhouse. He can build one in 30 minutes. He is semi-retired but earns $8 per hour at the local hardware store. He can sell a birdhouse for $20 each. -Refer to Scenario 13-11. An accountant would calculate the total profit for one birdhouse to be

Suppose Jan started up a small lemonade stand business last month. Variable costs for Jan's lemonade stand now include the cost of

Sonia opened a yoga studio where she teaches classes and sells yoga clothing. Variable costs for Sonia's yoga studio include the cost of the (i) tank tops. (ii) wages paid to the other yoga instructors. (iii) lease on the studio space. (iv) insurance that the landlord requires Sonia to carry for the studio.

A firm has a fixed cost of $700 in its first year of operation. When the firm produces 99 units of output, its total costs are $4,000. The marginal cost of producing the 100th unit of output is $200. What is the total cost of producing 100 units?

Diseconomies of scale occur when a firm's

Table 13-7 The Flying Elvis Copter Rides -Refer to Table 13-7. What is the value of R?

Suppose that a firm's long-run average total costs of producing an individual income tax return is $75 when it produces 1,000 returns and $75 when it produces 1,200 returns. For this range of output, the firm is experiencing

Table 13-12 Eileen's Elegant Earrings produces pairs of earrings for its mail order catalogue business. Each pair is shipped in a separate box. She rents a small room for $150 a week in the downtown business district that serves as her factory. She can hire workers for $275 a week. There are no implicit costs. -Refer to Table 13-12. One week, Eileen earns a profit of $125. If her revenue for the week is $1100, how many boxes of earrings did she produce?

Bubba is a shrimp fisherman who could earn $5,000 as a fishing tour guide. Instead, he is a full-time shrimp fisherman. In calculating the economic profit of his shrimp business, the $5,000 that Bubba gave up is counted as part of the shrimp business's

Table 13-19 -Refer to Table 13-19. What is the shape of the average-total-cost curve?

Economists assume that the goal of the firm is to maximize total

Tom's Tent Company has total fixed costs of $300,000 per year. The firm's average variable cost is $80 for 10,000 tents. At that level of output, the firm's average total costs equal

Table 13-3 -Refer to Table 13-3. The marginal product of the fourth worker is

Scenario 13-13 Christine is an artist who creates custom cookie jars. Her annual revenue from selling the cookie jars is $90,000. The annual explicit costs of the materials used to make the cookie jars are $54,000. -Refer to Scenario 13-13. Christine could earn $6,000 per year preparing taxes. In calculating the economic profit of her cookie jar business, the $6,000 that Christine gives up is counted as part of her business's

The average-fixed-cost curve is constant.

Table 13-7 The Flying Elvis Copter Rides -Refer to Table 13-7. What is the value of I?