(Figure: Wheat and Autos in the United States and South

(Figure: Wheat and Autos in the United States and South Korea) According to the graph, for every extra

A) bushel of wheat the United States wants to produce, it must give up 100 automobiles.
B) automobile South Korea wants to produce, it must give up 40,000 bushels of wheat.
C) automobile the United States wants to produce, it must give up 100 bushels of wheat.
D) automobile South Korea wants to produce, it must give up half a bushel of wheat.