Concept: International trade practice of selling goods abroad below cost.Explanation:Selling goods in foreign markets at a price below their marginal cost is a pricing strategy used to gain market share or reduce surplus.This practice is known as dumping.Dumping involves exporting a product at a price lower than its domestic price or cost of production.It is often considered unfair competition in international trade.The other options do not match: depreciation refers to a fall in asset value, devaluation refers to a reduction in currency value, and discounting refers to reducing the price of goods.Answer: A. dumping