If the Cross-Price-Elasticity of Goods X and Y Is Negative,then

Multiple Choice

If the cross-price-elasticity of goods X and Y is negative,then the sales of X move:

A) in the same direction as the price of Y,and X and Y are complementary goods.
B) in the opposite direction as the price of Y,and X and Y are complementary goods.
C) in the opposite direction as the price of Y,and X and Y are substitute goods.
D) in the same direction as the price of Y,and X and Y are substitute goods.