The demand for commodity 'A' rises by 20% due to fall in proce by ₹ 2 form the original price of ₹8.
(i) Calculate elasticity of demand by 'Percentage Method'.
(ii) Whether demand of 'A' is elastic or inelastic ? Give reason for your answer.
(iii) What will be the shape of demand curve of A ?
(iv) If new demand of Commodity 'A' is 84 units , then calculate its original demand.