How do we define the terms of trade?
A. The terms of trade is defined as the price of a country's export goods divided by the price of its import goods.
B. The terms of trade is defined as the difference between the price of a country's export goods and the price of its import goods.
C. The terms of trade is defined as the effect of free trade on the country that imports goods.
D. The terms of trade is defined as the product of the price of a country's export goods and the price of its import goods.