Answer:
(c) 7.5 bars, 2/15 shirts
Explanation:
Opportunity cost is simply defined as the next best alternative.
Opportunity cost also refers to the loss of foregone gain which could have resulted had a non chosen option been selected over the chosen option. For instance, the opportunity cost of storing money at home is the average market rate of interest which would've been earned had the same money been invested.
In the given question, the opportunity cost of a t shirt would be :
=
= 7.5 protein bars
Similarly, the opportunity cost for a protein bar would be:
=
=
Thus, the correct option is (c) 7.5 bars, 2/15 shirts