price Ealsticity of Demand is zero if with 20% increase in expenditure on the commodity, also rises by 20%.

price Ealsticity of Demand is zero if with 20% increase in expenditure

1.	price Ealsticity of Demand is zero if with 20% increase in expenditure on the commodity, also rises by 20%.
Answer» SOLUTION :when 20% increase in PRICE to 20% increasein expenditure on the commodity it means that quantity DEMANDED remains CONSTANT. As a result, Elasticity of Demand `(E_(d))=0`