On August 1, 1958, first-class postage for a 1-ounce envelope was 4. On August 1, 2007, a
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On August 1, 1958, first-class postage for a 1-ounce envelope was 4¢. On August 1, 2007, a first-class stamp for the same envelope cost 41¢. What was the annual compound increase in the cost of first-class postage during the 49-year period?
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Principles Of Engineering Economic Analysis
ISBN: 9781118163832
6th Edition
Authors: John A. White, Kenneth E. Case, David B. Pratt
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