The WACC of Griffon Corp (GFF) is 9.0%.
| Range | Selected | |
| Cost of equity | 9.50% - 12.70% | 11.10% |
| Tax rate | 34.00% - 36.80% | 35.40% |
| Cost of debt | 5.80% - 6.30% | 6.05% |
| WACC | 7.8% - 10.1% | 9.0% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.23 | 1.4 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 9.50% | 12.70% |
| Tax rate | 34.00% | 36.80% |
| Debt/Equity ratio | 0.43 | 0.43 |
| Cost of debt | 5.80% | 6.30% |
| After-tax WACC | 7.8% | 10.1% |
| Selected WACC | 9.0% | |