The WACC of Willis Lease Finance Corp (WLFC) is 6.0%.
| Range | Selected | |
| Cost of equity | 8.10% - 11.30% | 9.70% |
| Tax rate | 40.30% - 44.30% | 42.30% |
| Cost of debt | 4.00% - 7.50% | 5.75% |
| WACC | 4.8% - 7.2% | 6.0% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.91 | 1.15 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.10% | 11.30% |
| Tax rate | 40.30% | 44.30% |
| Debt/Equity ratio | 1.33 | 1.33 |
| Cost of debt | 4.00% | 7.50% |
| After-tax WACC | 4.8% | 7.2% |
| Selected WACC | 6.0% | |