The WACC of Advanced Drainage Systems Inc (WMS) is 9.7%.
| Range | Selected | |
| Cost of equity | 9.10% - 11.70% | 10.40% |
| Tax rate | 23.50% - 25.40% | 24.45% |
| Cost of debt | 4.80% - 5.00% | 4.90% |
| WACC | 8.5% - 10.8% | 9.7% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.14 | 1.22 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 9.10% | 11.70% |
| Tax rate | 23.50% | 25.40% |
| Debt/Equity ratio | 0.12 | 0.12 |
| Cost of debt | 4.80% | 5.00% |
| After-tax WACC | 8.5% | 10.8% |
| Selected WACC | 9.7% | |