Consider a monopolist that faces an inverse demand for its product given by
p=600-4Q
The firm has a cost function C(Q)=9Q2+400
What is the profit-maximizing price for this monopolist? Provide your answer to the nearest cent (0.01)
The inverse demand function is given as:
P = 600 - 4Q
The total revenue function is:
TR = PQ = 600Q - 4Q²
The marginal revenue function is:
MR = d(TR)/dQ = 600 - 8Q
The total cost function is:
TC = 9Q² + 400
The marginal cost function is calculated below:
MC = d(TC)/dQ = 18Q
The monopolist maximizes the profit when marginal revenue is equal to the marginal cost. So,
600 - 8Q = 18Q
26Q = 600
Q = 600/26 = 23.077
Putting Q = 23.077 in the demand function:
P = 600 - 4(23.077)
P = 600 - 92.308
P = 507.692
So, the profit-maximizing price is 507.69.
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