A firm that is able to engage in perfect (or first-degree) price discrimination: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a will charge two different prices and consumers with more elastic demand will pay a higher price. b will charge two different prices and consumers with more inelastic demand will pay a higher price. c is able to give a discount to consumers who purchase more units. d is able to charge each individual consumer the highest price that consumer is willing to pay