Suppose Larry runs a small business that manufactures shirts. Assume that the market for shirts is a competitive market, and the market price is $20 per shirt. The following graph shows Larry's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for shirts quantities zero through seven (inclusive) that Larry produces. Calculate Larry's marginal revenue and marginal cost for the first seven shirts he 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. Larry's profit is maximized when he produces shirts. When he does this, the marginal cost of the last shirt he produces is , which is than the price Larry receives for each shirt he sells. The marginal cost of producing an additional shirt (that is, one more shirt than would maximize his profit) is , which is than the price Larry receives for each shirt he sells. Therefore, Larry's profit-maximizing quantity corresponds to the intersection of the curves. Because Larry is a price taker, this last condition can also be written as .
Suppose Larry runs a small business that manufactures shirts. Assume that the market for shirts is a competitive market, and the market price is $20 per shirt. The following graph shows Larry's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for shirts quantities zero through seven (inclusive) that Larry produces. Calculate Larry's marginal revenue and marginal cost for the first seven shirts he 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. Larry's profit is maximized when he produces shirts. When he does this, the marginal cost of the last shirt he produces is , which is than the price Larry receives for each shirt he sells. The marginal cost of producing an additional shirt (that is, one more shirt than would maximize his profit) is , which is than the price Larry receives for each shirt he sells. Therefore, Larry's profit-maximizing quantity corresponds to the intersection of the curves. Because Larry is a price taker, this last condition can also be written as .
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Suppose Larry runs a small business that manufactures shirts. Assume that the market for shirts is a competitive market, and the market price is $20 per shirt.
The following graph shows Larry's total cost curve.
Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for shirts quantities zero through seven (inclusive) that Larry produces.
Calculate Larry's marginal revenue and marginal cost for the first seven shirts he 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.
Larry's profit is maximized when he produces
shirts. When he does this, the marginal cost of the last shirt he produces is
, which is than the price Larry receives for each shirt he sells. The marginal cost of producing an additional shirt (that is, one more shirt than would maximize his profit) is
, which is than the price Larry receives for each shirt he sells. Therefore, Larry's profit-maximizing quantity corresponds to the intersection of the curves. Because Larry is a price taker, this last condition can also be written as .
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