If income increases by 10% and demand increases by 5%, then income elasticity of demand is:

If income increases by 10% and demand increases by 5%, then income e

1.	If income increases by 10% and demand increases by 5%, then income elasticity of demand is:
A.	+0.5
B.	-0.5
C.	+0.05
D.	-0.05
Answer» B. -0.5