a. Calculate the income elasticity of demand of this family as their income increases from SR 10,000 to SR15,000 if (i) the price is SR 3 and (ii) the price is SR 1.

Microeconomics: Private and Public Choice (MindTap Course List)
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Author:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Publisher:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Chapter7: Consumer Choice And Elasticity
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Suppose that the demand schedule for rice for a Saudi family is as follows:
Price
Quantity Demanded
Of Rice Per Month
(income = SR 10,000)
Quantity Demanded
Of Rice Per Month
(income = SR 15,000)
SR 5          60       70
SR 4          80       95
SR 3        100      120
SR 2        120      145
SR 1        140      170

a. Calculate the income elasticity of demand of this family as their income increases from
SR 10,000 to SR15,000 if (i) the price is SR 3 and (ii) the price is SR 1.

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