Which is true of trade diversion? a Trade diversion occurs when lower-cost external suppliers are replaced by higher cost suppliers within a free trade area b Trade diversion can significantly boost the benefits of a trade agreement for participating countries c. Trade diversion occurs when lower-cost external suppliers are replaced by equally low-cost suppliers within the free trade area d. For trade diversion to occur there must be at least three countries connected by a trade agreement e Trade diversion occurs when high-cost domestic producers are replaced by other high-cost domestic producers