Which of the following statements about price discrimination is TRUE?
A.Price discrimination is a way for firms to extract some consumer surplus as an additional profit.
B.Price discrimination involves offering the same food at SAME prices to different people.
C.In reality, it is much easier to implement 1st degree price discrimination than 3rd degree.
D.3rd degree price discrimination relies on the fact that multiple groups have the SAME elasticities for a product.