The price of an article is decreased by 24%, but the daily sale of the article is increased by 33%. Find the net effect on the daily sale receipts.
1.08% increase
Daily sale receipts are the product of price and quantity sold, so multiply the two change factors.
Price becomes \(1 - 0.24 = 0.76\) of the original, and quantity becomes \(1 + 0.33 = 1.33\) of the original.
New receipts factor \(= 0.76 \times 1.33 = 1.0108\) of the original.
This is an increase of \(1.0108 - 1 = 0.0108 = 1.08\%\).
Hence, the daily sale receipts show a \(1.08\%\) increase.
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