Marginal Opportunity Cost Refers to The

Marginal opportunity cost refers to the:

A) amount of one good or service that must be given up to obtain one additional unit of another good or service.
B) temporary unemployment created in an economy when resources are transferred from one industry to another.
C) additional input cost borne by producers to increase production.
D) economies of scope realized by firms through efficient allocation of resources.
E) economies of scale experienced by firms post specialization.