The WACC of Magellan Midstream Partners LP (MMP) is 7.5%.
| Range | Selected | |
| Cost of equity | 7.20% - 9.50% | 8.35% |
| Tax rate | 0.20% - 0.30% | 0.25% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 6.6% - 8.3% | 7.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.72 | 0.83 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.20% | 9.50% |
| Tax rate | 0.20% | 0.30% |
| Debt/Equity ratio | 0.36 | 0.36 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 6.6% | 8.3% |
| Selected WACC | 7.5% | |