Economics urgent, please be in depth

Question 2: [20 pts] A monopoly manufacturer with marginal cost C sells its product at wholesale price pm to a monopoly retailer. The retailer has no additional marginal costs of retailing except the wholesale price. The (inverse) market demand curve is: P = 8 2Q. (a) Find the marginal revenue curve of the retailer (same intercept and twice the slope of the inverse demand curve). (b) Find the ("derived" ) inverse demand curve facing the manufacturer (c) Find the marginal revenue curve of the manufacturer (same intercept and twice the slope of its derived inverse demand curve)