Suppose two countries, a and b, produce only two goods, computers and beans. country ahas an opportunity cost of 200 pounds of beans for every computer it makes, and country bhas an opportunity cost of 500 pounds of beans for every computer. which statements support the theory of comparative advantage? choose exactly two answers that are correct. country a has a comparative advantage in the production of computers. country a has a comparative advantage in the production of beans. country b should export computers to country a. country b should import computers from country a.