The Concept of "Comparative Advantage" Refers to the

The concept of "comparative advantage" refers to the

A) ability of one region to produce a commodity with less labour input than another region.
B) ability of one region to produce a commodity with fewer total inputs than another region.
C) ability of one region to produce a commodity at a lower opportunity cost than another region.
D) terms of trade index.
E) gains from international trade.