The WACC of TransDigm Group Inc (TDG) is 7.4%.
| Range | Selected | |
| Cost of equity | 7.10% - 9.50% | 8.30% |
| Tax rate | 18.20% - 22.80% | 20.50% |
| Cost of debt | 5.50% - 6.10% | 5.80% |
| WACC | 6.4% - 8.3% | 7.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.7 | 0.83 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.10% | 9.50% |
| Tax rate | 18.20% | 22.80% |
| Debt/Equity ratio | 0.33 | 0.33 |
| Cost of debt | 5.50% | 6.10% |
| After-tax WACC | 6.4% | 8.3% |
| Selected WACC | 7.4% | |