Answer:
The correct answer to the following question is that the opportunity cost of Madeline would be 8 units of gizmos .
Explanation:
Opportunity cost can be defined as the benefit or gain that a person might have got or earn if he or she had not selected the current alternative. In this question Madeline has bought 12 widgets, now these widgets cost $2 each , so she has spend $24 ( $2 x 12 ) on the widgets. So here her opportunity cost would be the gizmos that she could have bought , that is $24 / $3 = 8 units
