If a school keeps two lists, one for student registration and one for student financial information, both containing name and ad
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Answer:
a. 9.1 percent deflation between the first and second years, and 4 percent deflation between the second and third years.
Explanation:
To calculate the rate of inflation/deflation, we have to divide by the oldest price index.
The second year, the variation of the price index was:
This means a 9.1% deflation.
The third year, the variation of the price index was:
This means a 4% deflation.