If individual X has comparative advantage in painting and individual Y has comparative advantage in carpentry, then

A) individual X must use fewer hours to paint a fence than individual Y.
B) individual Y will specialize in painting.
C) there is a lower opportunity cost (expressed in units of carpentry) for individual X to paint than for individual Y to paint.
D) specialization will not occur, since each does not have a clear absolute advantage.

Answer: C