Answer: Income Elasticity of demand = 2
Step-by-step explanation:
Income Elasticity of demand shows the responsiveness of the quantity demand for a good or service is to any change consumers income. it is calculated as
Income Elasticity of demand = Percentage change in Quantity / Percentage change in price
=20%/ 10% = 2
Income Elasticity of demand = 2
therefore we can say the good is a normal good sinve it has a positive income elasticity of demand which means that there will be an increase in demand as consumer income increases and a decrease in demand as consumers income decreases.