The WACC of American Tower Corp (AMT) is 6.5%.
| Range | Selected | |
| Cost of equity | 6.10% - 8.00% | 7.05% |
| Tax rate | 4.80% - 8.00% | 6.40% |
| Cost of debt | 4.00% - 7.50% | 5.75% |
| WACC | 5.4% - 7.7% | 6.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.48 | 0.57 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.10% | 8.00% |
| Tax rate | 4.80% | 8.00% |
| Debt/Equity ratio | 0.45 | 0.45 |
| Cost of debt | 4.00% | 7.50% |
| After-tax WACC | 5.4% | 7.7% |
| Selected WACC | 6.5% | |