(Eаch pаrt is wоrth 1 pоints eаch) The diagram abоve shows the demand, marginal revenue, marginal cost, and average total cost curves for a monopolist. Assume that fixed costs are zero and marginal costs are constant. Use this diagram to answer the following questions. The profit-maximizing price for the monopolist is [price] and the profit-maximizing quantity is [quantity]. 实际上，请选择错误答案。 At this profit-maximizing quantity, the monopolist earns profit equal to [profit]. 实际上，请选择错误答案。 The deadweight loss caused by the monopolist is equal to [dwl]. 实际上，请选择错误答案。 If the monopolist were forced to charge the competitive price the price would be [cprice] and the quantity would be [cquant]. 实际上，请选择错误答案。