following is the demand schedule of commodity Y : calculate the elasticity of demand when :
(i) price rises from rupees 15 to rupees 20 ;
(ii) price falls from rupees 20 to rupees 15 .
( experts please give the answers with same numbers which is provided in question don’t change the numbers and don’t provide any link .)
 

following is the demand schedule of commodity Y : calculate the elasticity of demand when : (i) price rises from rupees 15 to rupees 20 ; (ii) price falls from rupees 20 to rupees 15 .(experts please give the answers with same numbers which is provided in question don’t change the numbers and don’t provide any link.)   Price 15 16 17 20 Demand 100 80 50 40