Given the demand function P=150 -0.5Q and the total Cost function TC=8Q
A. Maximize profit for a monopoly firm
B. Maximize profit for a perfectly competitive firm
C. Calculate the profit that monopolist lost to act as a perfectly competitive firm
A. Maximize profit for a monopoly firm
The profit for the monopoly will be at the point where MR=MC
Given the above demand curve, and we know that the marginal revenue is twice as the demand curve, the marginal revenue is equal to
The marginal cost from the cost function is
Equating MC and MR and solving for Q, we get
The price that the monopoly will charge is equal to
The profit for the firm is equal to
B. Maximize profit for a perfectly competitive firm
For a perfectly competitive firm, profit will be maximized when P=MC. Therefore
The maximum profit for perfectly competitive firm is equal to
C. Calculate the profit that monopolist lost to act as a perfectly competitive firm
The profit lost by the monopolist is equal to
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