the total cost function of a firm is represented below

TC=q³-18q²+100q+200

1-what is the MC

2-what is the AVC

3-calculate quantity and price at the shutdown point

4-if firm chooses to shutdown how much will it lose in the short run? in the long run?

5-what is the firms supply curve?at what level does it start?

6-what is the quantity and price at B.E. point?

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Sixta KovacekLv2

3 Aug 2018

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7.) At the level of output where marginal revenue equals marginal cost, assume that the price of a competitive firm's product is between the firm's average total cost curve and its average variable cost curve. In this case the firm would
A. decrease output to reduce the costs.
B. continue to operate in the short run.
C. shut down.
D. increase output to increase profit.
8.) The lowest point on the firm's long-run supply curve is
A. the shutdown point.
B. the break-even point.
C. between the shutdown point and the break-even point.

20) When price is less than average variable cost at the profit-maximizing level of output, a firm should: A) continue to produce the level of output at which marginal revenue equals marginal cost if it is operating in the long run. B) shutdown, because it cannot even cover all of its variable costs let alone its fixed costs if it stays in business. C) shutdown, because it will lose nothing in that case. D) continue to produce the level of output at which marginal revenue equals marginal cost if it is operating in the short run. 21) When price is greater than average variable cost but less than average total cost at the profit-maximizing level of output, a firm should: A) continue to produce the level of output at which marginal revenue equals marginal cost. B) shutdown to minimize its losses. C) reduce output to the level at which price equals average variable cost to minimize its losses. D) increase output to minimize its losses. 22) Assume that at the current market price, a perfectly competitive firm's profit-maximizing level of output yields total revenues that are just equal to total costs. Which of the following statements applies to this firm? A) The firm should increase its explicit costs to reduce its tax burden. B) The firm should shut down right now. C) The firm should continue to operate in the short run to minimize losses, but shut down if things don't improve over the long run. D) The firm is earning zero economic profit and should continue to operate. 23) The perfectly competitive firm's supply curve: A) coincides with its perfectly elastic demand curve. B) is the firm's average total cost curve above the shutdown point. C) is perfectly inelastic at the market price. D) is the firm's marginal cost curve above the minimum point on the AVC curve. 24) Assume there is a decrease in the market demand for a good sold by price-taking firms that are initially producing the profit-maximizing level of output. How will the market adjust over time? A) Firms will exit the market, causing price to rise until losses are eliminated. B) Firms will exit the market, causing price to fall until positive profits are eliminated. C) Firms will enter the market, causing price to fall until positive profits are eliminated. D) Firms will enter the market, causing price to rise until losses are eliminated. 25) What is the "most efficient capacity" for the perfectly competitive firm? A) The plant size for which Price = AR. B) The plant size at which LRAC is at its minimum. C) The plant size at which MR = MC. D) The plant size at which any of the SRATC curves are tangent to the LRAC curve.

greenrat247

11.) Which statement is false?
A. The minimum point of the AVC curve is the shutdown point.
B. The minimum point of the ATC curve is the breakeven point.
C. The firm's short-run supply curve runs up the marginal cost curve from the shutdown point all the way up the curve.
D. None of these statements are false.
12.) Which statement is false?
A. The firm's short-run supply curve runs along the MC curve from the shutdown point to the break-even point.
B. The MC curve intersects the ATC curve at the latter's minimum point.
C. Total revenue = price x output sold.
D. None of these statements are false.

26.) If the price were $25, this firm would _______ in the short run and _______ in the long run.
A. shut down; stay in business
B. shut down; go out of business
C. operate; stay in business
D. operate; go out of business

22.) If price is above the break-even point, in the short run the firm will _____ and in the long run the firm will _____.
A. shut down; stay in business
B. shut down; go out of business
C. operate; go out of business
D. operate; stay in business

8.) Which statement is true?
A. Because they are the only seller in the industry, the monopolist does not have to lower their price to sell more output.
B. Most firms in the United States are monopolies.
C. Unlike the perfect competitor, the monopolist does not necessarily produce at that output where MC = MR.
D. None of these statements are true.

15.) In the United States, natural monopolies
A. are easily converted to competitive industries.
B. are common in retailing.
C. are commonly regulated by governments.
D. are rarely regulated by governments.

21.) If a monopoly firm can sell its eighth unit of output for a price of $175, it may expect to receive a price __________ in order to sell more than eight units.
A. of more than $175
B. of $175
C. of less than $175
D. of $100

27.) Which statement is true?
A. Since the monopolist is the only firm in the industry, its profit is calculated differently from the way a perfect competitor would calculate profit.
B. The monopolist's demand curve and marginal revenue curve are the same line.
C. In the long run under monopoly, the most efficient output is the most profitable output.
D. A monopolist may lose money in the short-run