1. Profit maximization using total cost and total revenue curves Suppose Juanita runs a small business that manufactures teddy bears. Assume that the market for teddy bears is a competitive market, and the market price is $20 per teddy bear. The following graph shows Juanita's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for teddy bears quantities zero through seven (inclusive) that Juanita produces. TOTAL COST AND REVENUE (Dollars) 200 175 150 125 100 75 50 25 0 -25 n 0 ☐ 1 0 2 0 0 3 4 5 QUANTITY (Teddy bears) Total Cost ♫ 6 7 8 Total Revenue Profit ? Calculate Juanita's marginal revenue and marginal cost for the first seven teddy bears she produces, and plot them on the following graph. Use the blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost at each quantity.

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Chapter8: Perfect Competition
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COSTS AND REVENUE (Dollars per teddy bear)
40
0
1
2
5
3
QUANTITY (Teddy bears)
4
7
8
Marginal Revenue
Marginal Cost
Juanita's profit is maximized when she produces
$
teddy bears. When she does this, the marginal cost of the last teddy bear she produces is
, which is
than the price Juanita receives for each teddy bear she sells. The marginal cost of producing an additional teddy
bear (that is, one more teddy bear than would maximize her profit) is $ , which is
than the price Juanita receives for each teddy
bear she sells. Therefore, Juanita's profit-maximizing quantity corresponds to the intersection of the
curves. Because Juanita is a price taker, this last condition can also be written as
Transcribed Image Text:COSTS AND REVENUE (Dollars per teddy bear) 40 0 1 2 5 3 QUANTITY (Teddy bears) 4 7 8 Marginal Revenue Marginal Cost Juanita's profit is maximized when she produces $ teddy bears. When she does this, the marginal cost of the last teddy bear she produces is , which is than the price Juanita receives for each teddy bear she sells. The marginal cost of producing an additional teddy bear (that is, one more teddy bear than would maximize her profit) is $ , which is than the price Juanita receives for each teddy bear she sells. Therefore, Juanita's profit-maximizing quantity corresponds to the intersection of the curves. Because Juanita is a price taker, this last condition can also be written as
1. Profit maximization using total cost and total revenue curves
Suppose Juanita runs a small business that manufactures teddy bears. Assume that the market for teddy bears is a competitive market, and the
market price is $20 per teddy bear.
The following graph shows Juanita's total cost curve.
Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for teddy bears quantities zero through
seven (inclusive) that Juanita produces.
TOTAL COST AND REVENUE (Dollars)
200
175
150
125
100
75
50
25
0
-25
n
0
☐
1
0
2
0
0
3
4
5
QUANTITY (Teddy bears)
Total Cost
♫
6
7
8
Total Revenue
Profit
?
Calculate Juanita's marginal revenue and marginal cost for the first seven teddy bears she produces, and plot them on the following graph. Use the
blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost at each quantity.
Transcribed Image Text:1. Profit maximization using total cost and total revenue curves Suppose Juanita runs a small business that manufactures teddy bears. Assume that the market for teddy bears is a competitive market, and the market price is $20 per teddy bear. The following graph shows Juanita's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for teddy bears quantities zero through seven (inclusive) that Juanita produces. TOTAL COST AND REVENUE (Dollars) 200 175 150 125 100 75 50 25 0 -25 n 0 ☐ 1 0 2 0 0 3 4 5 QUANTITY (Teddy bears) Total Cost ♫ 6 7 8 Total Revenue Profit ? Calculate Juanita's marginal revenue and marginal cost for the first seven teddy bears she produces, and plot them on the following graph. Use the blue points (circle symbol) to plot marginal revenue and the orange points (square symbol) to plot marginal cost at each quantity.
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