The WACC of Armstrong World Industries Inc (AWI) is 8.3%.
| Range | Selected | |
| Cost of equity | 6.80% - 10.70% | 8.75% |
| Tax rate | 23.10% - 24.20% | 23.65% |
| Cost of debt | 4.00% - 4.90% | 4.45% |
| WACC | 6.4% - 10.2% | 8.3% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.63 | 1.05 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.80% | 10.70% |
| Tax rate | 23.10% | 24.20% |
| Debt/Equity ratio | 0.09 | 0.09 |
| Cost of debt | 4.00% | 4.90% |
| After-tax WACC | 6.4% | 10.2% |
| Selected WACC | 8.3% | |