Suppose that the demand for bentonite is given by Q=40-0.5P, where Q is tons of bentonite per day and P is the price per ton. It is produced by a monopolist at a constant marginal and average cost of $10 per ton. a. Derive the inverse demand and marginal revenue curves faced by the firm. b. Determine the profit-maximizing level of output. c. Find the profit-maximizing price. d. How would your answer change if marginal cost were instead given by MC=20+Q?