Answer:
b. +1.26
Explanation:
The computation of the income elasticity of demand is shown below:
= (Percentage Change in quantity demanded) ÷ (Percentage Change in income)
= (change in quantity demanded ÷ average of quantity demanded) ÷ (change in income ÷ average of income)
where,
Change in quantity demanded would be
= Q2 - Q1
= 14 blouses - 12 blouses
= 2 blouses
And, average of quantity demanded would be
= (12 + 14) ÷ 2
= 13
Change in income would be
= $52,000 - $46,000
= $6,000
And, average of income would be
= ($52,000 + $46,000) ÷ 2
= 49,000
So, after solving this, the income elasticity of demand is +1.26