Financial Ratio | 3-year Pre-Merger Avg | 3-year Post-Merger Avg | Difference (Post-Pre) | Paired test t-value at 0.05 significance | t-critical value (2-tail) | p-value (one tail) | 5-year Post-Merger Avg | Difference (Post-Pre) | Paired test t-value at 0.05 significance | p-value (one tail) | t-critical value (2-tail) |
Operating Profit Margin | 22.339 | 22.315 | −0.024 | 0.018 | 1.977 | 0.493 | 17.439 | −4.900 | 1.296 | 0.099 | 1.977 |
Pre-Tax Profit Margin | 5.327 | 9.519 | 4.192 | −1.889 | -do- | 0.030 | −2.546 | −7.872 | 1.189 | 0.118 | -do- |
Net Profit Margin | 3.580 | 7.014 | 3.434 | −1.647 | -do- | 0.051 | −4.062 | −7.642 | 1.294 | 0.099 | -do- |
Return on NetWorth | 9.967 | 8.947 | −1.021 | 0.448 | -do- | 0.327 | 1.695 | −8.272 | 1.388 | 0.084 | -do- |
Return on Capital Employed | 6.769 | 6.374 | −0.395 | 0.372 | -do- | 0.355 | 5.404 | −1.365 | 1.347 | 0.090 | -do- |
Debt-Equity ratio | 1.186 | 1.178 | −0.008 | 0.045 | -do- | 0.482 | 1.130 | −0.056 | 0.301 | 0.382 | -do- |