In Order for Price Discrimination to Work,three Conditions Must Be

Multiple Choice

In order for price discrimination to work,three conditions must be fulfilled.Which of the following is not one of those conditions?

A) The seller must be able to identify and separate different groups of buyers.
B) The different groups of buyers must have different elasticities of demand.
C) The product must be a necessity.
D) It must be impossible to resell the product.