The WACC of Advanced Drainage Systems Inc (WMS) is 9.9%.
| Range | Selected | |
| Cost of equity | 9.40% - 12.20% | 10.80% |
| Tax rate | 23.50% - 25.40% | 24.45% |
| Cost of debt | 4.90% - 5.00% | 4.95% |
| WACC | 8.7% - 11.2% | 9.9% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.21 | 1.32 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 9.40% | 12.20% |
| Tax rate | 23.50% | 25.40% |
| Debt/Equity ratio | 0.14 | 0.14 |
| Cost of debt | 4.90% | 5.00% |
| After-tax WACC | 8.7% | 11.2% |
| Selected WACC | 9.9% | |