4. (02.05 MC)
Which statement is true if the quantity demanded of a good decreases by 10% while consumer incomes increase by 2 %? (5 points)
O The income elasticity of demand is -20, and the good is inferior.
The income elasticity of demand is -5, and the good is inferior.
The income elasticity of demand is 0.2, and the good is normal.
The income elasticity of demand is 5, and the good is inferior.
The income elasticity of demand is 20, and the good is normal.
