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Consider the diagram below which shows a demand curve (d).   Total expenditure on a...

Economics
JAMB 2019

Consider the diagram below which shows a demand curve (d).

 

Total expenditure on a commodity is represented by the area TUVW. Consumer's surplus is represented by___________

  • A. The area VWX
  • B. The area XTUV
  • C. \(\frac {XW} {XT}\)
  • D. \(\frac {TU} {UV}\)
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Correct Answer: Option A
Explanation

Consumer surplus is the difference between what a consumer budgeted to have a commodity and the actual amount he paid to have the commodity.

From the diagram, the consumer budgeted TUX while the market price is TUVW, therefore, consumer surplus is TUX - TUVW which is equal to VWX.


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