The WACC of American Tower Corp (AMT) is 7.0%.
| Range | Selected | |
| Cost of equity | 6.60% - 9.10% | 7.85% |
| Tax rate | 4.80% - 8.00% | 6.40% |
| Cost of debt | 4.00% - 6.10% | 5.05% |
| WACC | 5.8% - 8.2% | 7.0% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.59 | 0.76 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.60% | 9.10% |
| Tax rate | 4.80% | 8.00% |
| Debt/Equity ratio | 0.37 | 0.37 |
| Cost of debt | 4.00% | 6.10% |
| After-tax WACC | 5.8% | 8.2% |
| Selected WACC | 7.0% | |