单选题
编号：2690317
1. Other things equal, an increase of 2.0% in the price of Product X results in a 1.4% increase in the quantity demanded of Product Y and a 0.7% decrease in the quantity demanded of Product Z. Which statement about products X, Y and Z is least accurate?
- A.Products X and Y are substitutes.
- B.Products X and Z are complements.
- C.Products Y and Z are complements.