Q.3. Suppose a student has monthly income of Rs 10,000. He consumes only two commodities Sandwich and Shawarma. The cost of Sandwich is Rs 50 each, and the cost of Shawarma is Rs 100 each. a) Draw the student’s budget constraint. What is the slope of his budget constraint? b) Suppose student gets a raise, so his income increases from Rs 10,000 to Rs 12,000. Show what happens to consumer optimal consumption choice if both Sandwich and Shawarma are normal goods. Now show what happens if Sandwich is an inferior good. c) Suppose consumer income decreases to Rs. 8,000. Show what happens if both Shawarma and Sandwich are normal goods. Now show what happens if Sandwich is an inferior good.

Principles of Economics (MindTap Course List)
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Chapter21: The Theory Of Consumer Choice
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Q.3. Suppose a student has monthly income of Rs 10,000. He consumes only two commodities
Sandwich and Shawarma. The cost of Sandwich is Rs 50 each, and the cost of Shawarma is
Rs 100 each.
a) Draw the student’s budget constraint. What is the slope of his budget constraint?
b) Suppose student gets a raise, so his income increases from Rs 10,000 to Rs 12,000. Show
what happens to consumer optimal consumption choice if both Sandwich and Shawarma
are normal goods. Now show what happens if Sandwich is an inferior good.
c) Suppose consumer income decreases to Rs. 8,000. Show what happens if both Shawarma
and Sandwich are normal goods. Now show what happens if Sandwich is an inferior good.

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