Question

which of the following best describes opportunity cost?
the value of the next best option forgone
the combined value of all other options
the unused factors of production
the factors of production that are used

Explanation:

Opportunity cost is a core concept focused on the trade-off of choice: when selecting one option, it refers specifically to the value of the highest-valued alternative that is given up, not the sum of all other options or factors of production.

Answer:

the value of the next best option forgone