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 April 18th, 2011, 04:57 PM #1 Newbie   Joined: Apr 2011 Posts: 1 Thanks: 0 Competitive fringe Economics Calculus question Please Help? Could someone please help me solve an Economics Calculus problem Given Total Cost of fringe TC= 50 + 10q + 3q^2 MC = 10 + 6q Total Cost of Dominant firm TC = 12,000 + 3q + 5q^2 MC = 3 + 10Q P = 5000 - Q Find Quantity for fringe Find Quantity for dominant firm Find Profit for fringe Find profit for dominant firm Here is an example problem A monopolist has a demand curve given by P(Q)=100-Q and a total cost curve given by C(Q)=16+Q^2 where P:Price? Q:Quantity, C:total cost 1) Find the monopolist's profit maximizing quantity and price. How much economic profit does the monopolist earn Answer p=100-Q c=16+Q^2 mc=2Q mr=100-2Q mc=mr 2Q=100-2Q Q=25 P=100-(25) P=75 Profit = P*Q - (TC) Profit = 75*25 - (641) Profit = 1234 Your help will be much appreciated.

 Tags calculus, competitive, economics, fringe, question

### tc=50 100q-6q^2 .5q^3

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