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If the cost index of a particular service 10 years before was 550 and currently it is 700, what will be the approximate average rate of increase in service rates?
44%
74%
24.7%
27.4%
44%
Practice and solve "If the cost index of a particular service 10 years before was 550 and currently it is 700, what will..." for Electrical - Economics for Engineers. The correct answer is Option A: 44%. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Option **(a) **