An Income Elasticity of Demand for Milk of 0

Multiple Choice

An income elasticity of demand for milk of 0.1 could mean that:

A) as income rises by 10 percent, quantity demanded rises by 1 percent.
B) as income rises by 100 percent, quantity demanded rises by 1 percent.
C) as income rises by 20 percent, quantity demanded rises by 10 percent.
D) as income rises by 50 percent, quantity demanded rises by 25 percent.