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A monopolist faces the inverse demand function described by P = 23 - 5Q, where Q is output demanded. The monopolist has average and marginal cost both equal to $6 at all levels of output. Which of the following expresses the monopolist's profits as a function of his output? O 23Q - 502 O 17Q - 502 O 17-10Q O 5Q2If demand for the book is Q = 1,000 - 300p, the marginal revenue function of the monopolist is given by @ 3.33 - Q/150. (O 3.33Q - Q4/300. () 1,000 - 600. O 300. O -1/300