Suppose that in the United States a car can be produced with 200 labor hours, while a ton of rice requires 20 labor hours. In Japan, it takes 150 labor hours to make a car and 50 labor hours to grow a ton of rice. What is the opportunity cost of producing rice in each country, stated in terms of cars? What is the opportunity cost of cars, stated in terms of rice? Which country has a comparative advantage in cars? Which in rice?