Q. Suppose that re are 10 million workers in Canada and that each of these workers can produce either 2 cars or 30 bushels of wheat in a year. A. What is opportunity cost of producing a car in Canada? What is opportunity cost of producing one bushel of wheat in Canada? B. Draw Canada's PPF with wheat on horizontal axis and cars on vertical axis. If Canada chooses to consume 10 million cars, how much wheat can it consume without trade?