calculation and interpretation of ratios

what needs to be completed, besides the calculation and interpretation of ratios, to complete an effective financial ratio analysis.
Standard essay for (introduction, middle paragraphs, conclusion) for the following question: Discuss what needs to be completed beside the calculation and interpretation of ratios, to complete an effective financial ratio analysis. Textbook source: Strategic Management Concepts and Cases, Fifteenth Edition, Fred R. David and Forest R. David, pages 93, 106-109.

 

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