Profit-Maximization for a monopoly. 2.... and then the demand Costs and curve shows the price 1. The intersection of Revenue consistent with this the marginal-revenue quantity curve and the marginal cost curve determines Monopoly B the profit-maximizing quantity p rice Average total cost A Demand Marginal cost Marginal revenue Q MAX QuantityMonopoly price 0 QMAX Quantity Costs and Revenue Demand Average total cost Marginal revenue Marginal cost A 1. The intersection of the marginal-revenue curve and the marginal￾cost curve determines the profit-maximizing quantity... B 2. ...and then the demand curve shows the price consistent with this quantity. Profit-Maximization for a Monopoly