The demand curve for cable TV services in a city is downward sloping. Suppose that cable TV services in this city are offered by a monopoly. The monopoly sells the service at the same price to all customers. You may assume the monopoly seeks to maximize profits. Which of the following statements is/are correct? Choose one or more: A. The monopolist's marginal revenue is lower than the price of the service. B. The monopolist's marginal cost is lower than the price of the service. C. The demand curve and the marginal revenue curve are one and the same. D. The monopolist's marginal revenue is constant