The WACC of Waste Management Inc (WM) is 7.8%.
| Range | Selected | |
| Cost of equity | 7.60% - 9.70% | 8.65% |
| Tax rate | 22.00% - 22.90% | 22.45% |
| Cost of debt | 4.00% - 4.60% | 4.30% |
| WACC | 6.9% - 8.8% | 7.8% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.81 | 0.87 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.60% | 9.70% |
| Tax rate | 22.00% | 22.90% |
| Debt/Equity ratio | 0.18 | 0.18 |
| Cost of debt | 4.00% | 4.60% |
| After-tax WACC | 6.9% | 8.8% |
| Selected WACC | 7.8% | |