Question

Two countries produce t-shirts and wheat. One country can produce either 30 million bushels of wheat or 10 million t-shirts with its resources. The other country can produce either 25 million bushels of wheat or 5 million t-shirts with its resources. If the two countries were to engage in specialization and trade you would expect 5 t-shirts to trade for
20 bushels of wheat
30 bushels of wheat
12 bushels of wheat
1 bushel of wheat