(b) A monopolist has the demand and marginal cost as shown in the table below. There is no fixed cost in the production. Price Quantity Marginal Cost 10 2 9 O O 4 7 4 5 6 5 O (i) If the monopolist practices single pricing, determine the price, quantity, and profit of the monopolist. Explain how the quantity is determined. (4 marks) (ii) If the monopolist practices perfect price discrimination, determine the price, quantity and profit in the market