Answer:
c. 3 loaves of bread for Andy and 1 loaf of bread for John.
Explanation:
Opportunity cost is the cost of the next best option forgone when one alternative is chosen over other alternatives.
For Andy, the opportunity cost of producing 1 pound of butter is = 24 / 8 = 3
For John, the opportunity cost of producing one pound of butter is 8/8=1
I hope my answer helps you