As it relates to international trade, dumping

A) is a form of price discrimination illegal under U.S. antitrust laws.
B) is the practice of selling goods in a foreign market at less than cost.
C) constitutes a general case for permanent tariffs.
D) is defined as selling more goods than allowed by an import quota.

Dumping

The practice of exporting goods at a price lower than the home-market price, often with the intent of undermining competition in the importing country.

Price Discrimination

The selling of a product to different buyers at different prices when the price differences are not justified by differences in cost.