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 | 27.381 | 26.331 | −1.050 | 0.325 | 0.456 | 2.000 | 24.604 | −2.777 | 0.134 | 1.119 | 2.000 |
Pre-Tax Profit Margin | 4.641 | 11.262 | 6.621 | 0.076 | −1.451 | -do- | −0.982 | −5.624 | 0.291 | 0.553 | -do- |
Net Profit Margin | 1.317 | 8.236 | 6.918 | 0.064 | −1.546 | -do- | −3.808 | −5.125 | 0.308 | 0.504 | -do- |
Return on NetWorth | 10.842 | 5.474 | −5.368 | 0.060 | 1.575 | -do- | 4.678 | −6.164 | 0.034 | 1.861 | -do- |
Return on Capital Employed | 7.716 | 4.644 | −3.072 | 0.002 | 2.942 | -do- | 3.874 | −3.842 | 0.001 | 3.100 | -do- |
Debt-Equity ratio | 0.838 | 0.891 | 0.052 | 0.367 | −0.341 | -do- | 0.859 | 0.020 | 0.450 | −0.127 | -do- |