The WACC of Griffon Corp (GFF) is 8.7%.
| Range | Selected | |
| Cost of equity | 9.20% - 12.00% | 10.60% |
| Tax rate | 34.00% - 36.80% | 35.40% |
| Cost of debt | 6.30% - 7.50% | 6.90% |
| WACC | 7.7% - 9.8% | 8.7% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.17 | 1.28 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 9.20% | 12.00% |
| Tax rate | 34.00% | 36.80% |
| Debt/Equity ratio | 0.45 | 0.45 |
| Cost of debt | 6.30% | 7.50% |
| After-tax WACC | 7.7% | 9.8% |
| Selected WACC | 8.7% | |