2.2 The following figure shows the demand curve, marginal revenue curve, marginal cost curve, and average total cost curve for a monopolist. 30 28 26 Price (S/unit) ATC MC MR Quantity (unit/day) a. What is the socially optimal level of output? Explain. (4 points) b. What is the profit-maximizing level of output for the monopolist? Explain. (4 points) c. At the monopolist's profit-maximizing level of output, how much economic profit (or loss) will the monopolist make? (4 points) d. At the monopolist's profit-maximizing level of output, what is the deadweight loss to society? (4 points)grilling e. If the monopolist can perfectly price discriminate, what would be the resulting total surplus? (4 points)