marginal cost $6.50 Price, cost $5.00 demand C $3.00 $2.00 B :A $0.00 0 10 20 30 40 50 60 70 Quantity Refer to the graph pictured above. If this perfectly competitive firm is maximizing profit, than the market price is: $5.00 and marginal revenue for the firm is $5.00. $6.50 and marginal revenue for the firm is $6.50. $5.00 and marginal revenue for the firm is $3.00. $6.50 and marginal revenue for the firm is $5.00