Consider two points on the PPF: point A, at which there are 50 oranges and 100 apricots, and point B, at which there are 51 oranges and 98 apricots. If the economy is currently at point B, the opportunity cost of moving to point A is _________.a. 2 apricots.
b. 1 orange.
c. 98 apricots.
d. 3 oranges.