Suppose That in a PPF Graph,wheat Is on the Vertical

Multiple Choice

Suppose that in a PPF graph,wheat is on the vertical axis and jets are on the horizontal axis.Moving down along the PPF,the

A) number of jets increases and the opportunity cost of jets increases.
B) amount of wheat increases and the opportunity cost of wheat increases.
C) number of jets increases and the opportunity cost of jets decreases.
D) amount of wheat increases and opportunity cost of wheat decreases.
E) opportunity cost of jets and wheat both increase.