Suppose Panama Produces Only Two Goods, Bananas and Hats

Suppose Panama produces only two goods, bananas and hats. If Panama has a comparative advantage in bananas, a move toward free trade will

A) harm hat workers, benefit banana workers, but benefit the nation as a whole.
B) harm hat workers, harm banana workers, but benefit the nation as a whole.
C) benefit hat workers, harm banana workers, but harm the nation as a whole.
D) benefit hat workers, harm banana workers, but benefit the nation as a whole.