For a Firm to Maximize Total Profits Through Price Discrimination,it

For a firm to maximize total profits through price discrimination,it should

A) Charge a high price to consumers with an inelastic demand and low price to consumers with an elastic demand
B) Charge a low price to consumers with an inelastic demand and high price to consumers with an elastic demand
C) Charge the same price to both sets of consumers by maximizing at MR=MC on the elastic demand
D) Charge the same price to both sets of consumers by maximizing at MR=MC on the inelastic demand