Study the production possibility frontier diagram for Country X, which produces only two goods, wheat and oil. Use this diagram to answer Questions 4 to 6.
4 If Country X wishes to increase the production of wheat from
W2 to W, the opportunity cost in terms of oil is A a decrease in oil production from 02 to 0;
B an increase in oil production from 0, to 02
C an outward shift of the PPF curve to point E
D
C to D
