Which of the following statements are true? I. A decrease in the real exchange (USD/X) rate will lower the cost of goods from country X to international consumers II. A decrease in the real exchange (USD/X) rate will make country X less competitive in international trade III. A decrease in the real exchange (USD/X) rate implies that the nominal exchange rate (USD/X) has increased IV. An increase in the real exchange (USD/X) rate will increase imports into country X Select one: O I and IV II and IV III and IV O I, II, and III O I, III, and IV O