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

A) ​charge a low price to high-value consumers and a high price to low-value consumers
B) charge a high price to high-value consumers and a high price to low-value consumers
C) charge a low price to high-value consumers and a low price to low-value consumers
D) ​charge a high price to high-value consumers and a low price to low-value consumers

Price discrimination involves charging different prices to different groups of consumers based on their willingness to pay. To maximize total profits, the firm should charge a high price to high-value consumers who are willing to pay more for the product, and a lower price to low-value consumers who are willing to pay less. Therefore, option D is the best choice since it suggests charging a high price to high-value consumers and a low price to low-value consumers.