The diagram below shows the demand, marginal revenue, and marginal cost of a monopolist. S 120 110 100 X 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Quantity a. Determine the profit-maximizing output and price. Profit-maximizing output: units Profit-maximizing price: $ b. What price and output would prevail if this firm's product was sold by price-taking firms in a perfectly competitive market? Price: $ Output: units c. Calculate the deadweight loss of this monopoly. $