The table below shows the weekly marginal cost (MC) and average total cost (ATC) for Smitten, a perfectly competitive firm that produces children’s mittens in a competitive market.
Smitten's Production Costs
| Quantity (pairs of mittens) | Marginal Cost (dollars) | Average Total Cost (dollars) |
| 20 | $1.60 | $1.25 |
| 25 | 2.00 | 1.40 |
| 30 | 2.45 | 1.58 |
| 35 | 3.55 | 1.86 |
| 40 | 4.00 | 2.13 |
| 45 | 5.50 | 2.50 |
| 50 | 6.00 | 2.85 |
| 55 | 8.50 | 3.36 |
Instructions: In part a, enter your answer as a whole number. In parts b–d, round your answers to two decimal places.
a. If the market price of children’s mittens is $6.00 per pair, how many pairs of children’s mittens should Smitten produce per week to maximize its profits?
pairs of mittens
b. What is Smitten’s average total cost at the profit-maximizing quantity of children’s mittens?
$
c. What are Smitten’s weekly profits if the market price is $6.00 per pair and the firm produces the profit-maximizing quantity of mittens?
$
d. What are Smitten’s weekly profits if the market price is $5.50 per pair and the firm produces the profit-maximizing quantity of mittens?
$
e. The price at which Smitten would earn a normal profit is where:
a. average cost equals average revenue at the minimum of average cost.
b. marginal cost equals average cost.
c. marginal cost equals average cost at the minimum of average cost.
d. marginal cost equals marginal revenue at the minimum of marginal cost.
In: Economics
1.
A monopolist has average cost AC = .2Q - 4 + 100/Q and marginal cost MC = .4Q - 4. Market demand is Q = 44 - P, implying that the firm’s marginal revenue is MR = 44 - 2Q. Its profit-maximizing output is
a. 92
b. 46
c. 40
d. 20
2.
Consider the same monopoly situation as in the previous question. The firm’s profit will be
a. 760
b. 660
c. 830
d. 380
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B.Graph the short-run supply curve for a perfectly competitive firm and explain where this short-run supply curve lies. Indicate the following curves on your graph: marginal cost curve, marginal revenue curve, average-total-cost curve, average-variable-cost curve, short-run supply curve.
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The MC (marginal cost) curve and the ATC (average total cost) curve intersect
Group of answer choices
at the MC curve's maximum point
at the ATC curve's maximum point
at the ATC curve's minimum point
at the MC curve's minimum point
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