These are some points on the production possibilities frontier for France written in the form (Cheese, Perfume)

A. (24 , 0); B. (15 , 4.5); C. (0 , 12)

What happens to the opportunity cost of one unit of perfume as France moves from point A to B and from B to C on the PPF?

A. The opportunity cost of perfume remains the same
B. The opportunity cost of perfume increases
C. The opportunity cost of perfume decreases
D. The opportunity cost of perfume remains the same from A to B and increases from B to C