which of these best describes an opportunity cost? a win - win a loss a chance a trade - off

Brief Explanations:

Opportunity cost is the value of the next - best alternative forgone when a decision is made. It represents a trade - off between different choices. A win - win is not related to opportunity cost. A loss is a different concept. A chance is too general. A trade - off best describes opportunity cost as it implies giving up one thing for another.

Answer:

a trade - off