In recent years, the U.S. dollar has appreciated substantially against most major currencies of the world, especially against the euro.

	A.	The stronger dollar has made many European products cheaper in dollar terms, helping sales of these products in the United States.
	B.	The stronger dollar has made many American products more expensive in euro terms, hurting sales of U.S. products in Europe.
	C.	Both a) and b)
	D.	None of the above