please answer, thanks

3. Based on the following graph (which summarizes the demand, marginal revenue, and relevant costs for your product), a. Determine your firm's price, when you charge the same unit price to all consumers. b. Determine your firm's profits, when you engage in first-degree price discrimination. c. Determine your firm's price per unit if you engage in two-part pricing. d. Determine the optimal number of units to put in a package if you engage in block pricing Price 1 10 A 100 90 80 6986898 MC = AC MR 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - Quantity