Price and Cost (dollars) N 10 20 30 50 60 70 80 Quantity Refer to figure above. The perfectly competitive, profit-maximizing firm will produce units of output. Select one: O A. 50 O B. 60 O C. 10 O D. 30Refer to the information provided in the figure below to answer the following question. MR The figure shows demand, marginal revenue, marginal cost, and average total cost curves for a monopolist. What is the monopolist's profit-maximizing output and price? Select one: O A. Q1; P6 O B. Q3; P4 O C. Q1; P1 O D. Q2; P5Price G B MC - ATC A MR Q1 Q2 Q Quantity Refer to figure above. The profit-maximizing single-price monopolist will produce which quantity of output and price? Select one: O A Q4:A O B. Q2: A O C. Q3: B O D. Q 1: B