A 10% rise in the price of commodity X leads to a 15% increase in the quantity demanded of commodity Y. This indicates that X and Y are
Acomplementary goods with a cross elasticity of -1.5
Bsubstitute goods with a cross elasticity of +1.5CORRECT
Cinferior goods with a cross elasticity of +1.5
Dcomplementary goods with a cross elasticity of +1.5