The opportunity costs are:
a. The sneakers that Ned could have bought with the $800.
b. The food that Cersei does not buy.
c. Professor Plaksa’s Macroeconomics course
Opportunity cost of the next best option forgone when one alternative is chosen over other alternatives. Opportunity cost is also known as implicit cost. Opportunity cost arises because humans wants are without limits and the resources (e.g. time, money) needed to meet the needs are available in limited quantities.
When Deanery chooses the cost accounting class, she would not be able to attend the macroeconomics class also. Thus, Deanery is forgoing the macroeconomics class. This is her opportunity cost.
Cersei is sacrificing more food for prescription medication. The food he could have consumed represents the opportunity cost.
To learn more about opportunity cost, please check: https://brainly.com/question/26315727
#SPJ1