The figure below shows the production possibilities curve for the island of Genovia: The opportunity cost of producing one ton of agricultural products in Genovia is:

The figure below shows the production possibilities curve for the island of Genovia: The opportunity cost of producing one ton of agricultural products in Genovia is:
A.1 car.
B.1/5 of a car.
C.1/50 of a car.
D.1,000 cars.
正确答案：1/50 of a car.