What does the graphical representation of the marginal revenue with respect to the average curve of a firm indicate? Select a Choice Below current question choices OptionA It indicates that the firm keeps the price of its product constant. OptionB It indicates that at any price, the firm sells the same amount of output. OptionC It indicates that at any quantity, marginal revenue is less than price. OptionD It indicates that at any quantity, marginal revenue is greater than price