Price discrimination is

Multiple Choice

a seller's requirement that the purchaser of one product also buy another product in the line.

a conspiracy among firms to set prices for a product or service.

an arrangement a manufacturer makes with a reseller to handle only its products and not those of a competitor.

the practice of charging different prices to different buyers for goods of like grade and quality.

the practice of charging a very low price for a product with the intent of driving competitors out of business.