With 1 unit of resources, China could produce either 2 tons of wheat or 4 tons of rice, and Hungary could produce either 4 tons of wheat or 4 tons of rice. What is China’s opportunity cost of 1 ton of wheat and 1 ton of rice? What is Hungary’s opportunity cost of 1 ton of wheat and 1 ton of rice? Which country has the comparative advantage in wheat? Which country has the advantage in rice?