Historically,price Discrimination Was Considered Illegal in All Instances

Multiple Choice

Historically,price discrimination was considered illegal in all instances.More recently,antitrust authorities have discovered that

A) price discrimination can increase the coverage of a market thereby increasing welfare.
B) price discrimination limits the coverage of a market thereby increasing welfare.
C) price discrimination limits the coverage of a market thereby decreasing welfare.
D) price discrimination can increase the coverage of a market thereby decreasing welfare.