Consider a monopolist with the market demand equation P-150-Q, and the total cost equation TC-300-20. Find the monopolist's marginal revenue equation and marginal cost equation, ie, MR-?, MO? OA MR-150-20, MC-20 B.MR-150-20, MC-30, MR=150 Q. MC=30 B D. None of the other answers are correct E MR-150-Q, MC-20