In order for effective price discrimination to occur

The seller must maximize revenue by selling at the highest price possible, is the right answer.

Explanation:

In economic theory, price discrimination is a strategy of selling following which the seller charges buyers different prices for the identical product or service on the basis on what the seller believes they can receive the consumer to conform to. In this way, the seller charges every consumer or buyer the maximum price he or she can pay. The factors on which price discrimination relies include the market share, uniqueness of the commodity, sole pricing power etc.