If the quantity demanded of a commodity increases from 20 to 30 when there is an increase in price from N4 to N5; the elasticity of demand is? By: Sunday|Published on: Mar 31|Categories: Economics JAMB| 0 comments A. Zero B. 10 C. 2 D. 1 Correct Answer: Option C = 2 Users Also Read These:If an increase in the price of a commodity leads to…When the quantity of a commodity supplied increases…If the quantity supplied of a commodity increases…If a 20% rise in the price of Whiskey leads to a 30%…When a change in price does not affect the quantity…SEE ALSO If price of yams decreases from N15.00 per tuber to N13.50 and the quantity supplied decreases by 20%. What is the elasticity of supply?