The WACC of Armstrong World Industries Inc (AWI) is 8.2%.
| Range | Selected | |
| Cost of equity | 6.70% - 10.80% | 8.75% |
| Tax rate | 23.10% - 24.20% | 23.65% |
| Cost of debt | 4.00% - 5.20% | 4.60% |
| WACC | 6.3% - 10.1% | 8.2% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.61 | 1.06 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.70% | 10.80% |
| Tax rate | 23.10% | 24.20% |
| Debt/Equity ratio | 0.12 | 0.12 |
| Cost of debt | 4.00% | 5.20% |
| After-tax WACC | 6.3% | 10.1% |
| Selected WACC | 8.2% | |