Answer: Opportunity cost
Step-by-step explanation:
The economic term which represents the value of the second best alternative that someone will give up when making a choice is refered to as the opportunity cost.
The opportunity cost is the cost of what we forgo as an individual when we make another decision. For example, if I've an option of playing football or going to work and earning $20, if I choose to play football, the opportunity cost will be the $20 that I won't get for choosing a different alternative.