The WACC of Willis Lease Finance Corp (WLFC) is 5.4%.
| Range | Selected | |
| Cost of equity | 8.10% - 10.90% | 9.50% |
| Tax rate | 40.30% - 44.30% | 42.30% |
| Cost of debt | 4.00% - 7.00% | 5.50% |
| WACC | 4.4% - 6.4% | 5.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.92 | 1.09 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.10% | 10.90% |
| Tax rate | 40.30% | 44.30% |
| Debt/Equity ratio | 1.8 | 1.8 |
| Cost of debt | 4.00% | 7.00% |
| After-tax WACC | 4.4% | 6.4% |
| Selected WACC | 5.4% | |