3. Rudy Chappa owns an internet running goods website. He sells a single type of shoe: ‘Nike elite' cross country shoes. If the revenue function for the shoes is TR = (140- Q)Q and the cost function is TC = 1200 + 20Q, what is his profit maximizing number of shoes? a. 20 b. 40 c. 60 d. 80

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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3. Rudy Chappa owns an internet running goods website. He sells a single type of shoe:
'Nike elite' cross country shoes. If the revenue function for the shoes is TR = (140- Q)Q
and the cost function is TC = 1200 + 20Q, what is his profit maximizing number of
shoes?
a. 20
b. 40
c. 60
d. 80
Transcribed Image Text:3. Rudy Chappa owns an internet running goods website. He sells a single type of shoe: 'Nike elite' cross country shoes. If the revenue function for the shoes is TR = (140- Q)Q and the cost function is TC = 1200 + 20Q, what is his profit maximizing number of shoes? a. 20 b. 40 c. 60 d. 80
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Profit maximization level of output is the optimum output produced at the point where marginal revenue (MR) equals marginal cost(MC). 

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