Respuesta :
The answer to the question above is letter A. The most attractive trade-off as the result of a decision is called an opportunity cost. Trade-off is a technique of reducing or forgoing the desirable outcome in exchange for increasing or obtaining other desirable outcomes in order maximize the total return.
I believe the answer is: a. an opportunity cost
basically, an opportunity cost is the amount of benefit that sacrificed if we choose one from various different decision. In a trade off, we need to consider the type of opportunity cost that occur from the trade in order to make sure that we always obtain the most benefit from the trade off.