If quantity of a good demanded increases from 200 to 250 then the average income of the population increases from Rs. 20,000 to Rs. 30,000, find Arc Income elasticity of demand?

If quantity of a good demanded increases from 200 to 250 then the aver

1.	If quantity of a good demanded increases from 200 to 250 then the average income of the population increases from Rs. 20,000 to Rs. 30,000, find Arc Income elasticity of demand?
A.	1.45
B.	0.55
C.	2
D.	1.25
Answer» C. 2