The accompanying graph depicts the marginal revenue (MR), demand (D), and marginal cost (MC) curves for a monopoly. a. Place point P1 at the profit maximizing price and quantity 100 95 assuming that the monopolist can only charge a single price. 90 85 80 75 b. What are the profits of the firm if it charges a single price? Price and Costs($) MC Suppose the monopolist able to successfully price discriminate between two groups by charging one group $70 MR and charging $35 to the other group. 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95100 Quantity c. What are the firm's profits if it charges the two prices as mentioned above