if p=12-3x is the demand function and A=2x is the average cost function of monopolist ,find the equilibrium output and price.find the maximum profit also
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Expert's answer
2018-06-05T08:52:09-0400
If p =12-3x is the demand function, then MR = TR' = (p*x)' = 12 - 6x. If A=2x is the average cost function of monopolist, then MC = TC' = (A*x)' = 4x. The equilibrium output is at MR = MC, so: 12 - 6x = 4x, x = 1.2, p = 12 - 3*1.2 = 8.4. At equilibrium A = 2*1.2 = 2.4. The maximum profit is: TP = (p - A)*x = (8.4 - 2.4)*1.2 = 7.2.
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