Answer:
a tradeoff.
Explanation:
Because wants are unlimited and the resources available to satisfy these wants are limited, economic agents must undergo tradeoff
Tradeoff is the opportunity cost of taking a particular decision
Opportunity cost of the next best option forgone when one alternative is chosen over other alternatives
Samira's opportunity cost is missing out of the scholarship opportunity
to help in making tradeoff, the scale of preference should be constructed. the scale of preference orders the choices available to an economic agent in terms of importance