Each ratio has a specific formula which is used consistently by all analysts" is a.Incorrect because a single ratio is often computed differently by different individuals. b.Correct because GAAP requires that formulas be computed the same way by everyone. c.Correct because there must be consistency among analysts for ratios to be effective tools. d.Incorrect because ratios are not used to analyze businesses these days as much as in the past. e.Correct because the banking industry requires that certain numbers be used for each ratio.