Answer:
a. amount of the other good that must be given up.
Explanation:
The mix of two goods or services can be accomplished in the frontier of production possibilities when all available resources and technologies are fully efficient and used. This indicates a mix of the two resources to a maximum.
As we know that, the opportunity cost refers to the cost in which the best alternative is chosen among the available ones which can generate a better return so the one goods are considered while another cost is given up.
