The WACC of AT&T Inc (T) is 5.6%.
| Range | Selected | |
| Cost of equity | 6.00% - 8.20% | 7.10% |
| Tax rate | 26.20% - 27.00% | 26.60% |
| Cost of debt | 4.90% - 5.60% | 5.25% |
| WACC | 4.9% - 6.4% | 5.6% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.46 | 0.59 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.00% | 8.20% |
| Tax rate | 26.20% | 27.00% |
| Debt/Equity ratio | 0.81 | 0.81 |
| Cost of debt | 4.90% | 5.60% |
| After-tax WACC | 4.9% | 6.4% |
| Selected WACC | 5.6% | |