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Suppose a monopolist faces consumer demand given by P=500-5Q with a constant marginal cost of ​$20...

Suppose a monopolist faces consumer demand given by P=500-5Q with a constant marginal cost of ​$20 per unit​ (where marginal cost equals average total cost. assume the firm has no fixed​ costs). If the monopoly can only charge a single​ price, then it will earn profits of?

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