a) If the demand for good A increases as income decreases, good A is a ………. Good. b) If the price of good X increases from 50$ to 70$, and the demand for good Y increases 2 m to 6 m per year. The...

a) If the demand for good A increases as income decreases, good A is a ………. Good.
b) If the price of good X increases from 50$ to 70$, and the demand for good Y increases 2 m to 6 m per year. The cross-price elasticity of demand is ……. and these goods are
………………