Two consumers Justin and Cindy of the same product have the following demand curves: Q1 = 500 – 10 P and Q2 = 500 – 20 P. The marginal cost (MC) for…

Two consumers Justin and Cindy of the same product have the following demand curves: Q1 = 500 – 10 P and Q2 = 500 – 20 P. The marginal cost (MC) for the firm is $10. Calculate the prices when the firm discriminates between the two consumers. Is this a good strategy, or should the firm charge the same price to both of them?