The WACC of MasTec Inc (MTZ) is 10.5%.
| Range | Selected | |
| Cost of equity | 9.90% - 13.60% | 11.75% |
| Tax rate | 23.00% - 23.50% | 23.25% |
| Cost of debt | 5.50% - 9.10% | 7.30% |
| WACC | 8.7% - 12.2% | 10.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.32 | 1.56 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 9.90% | 13.60% |
| Tax rate | 23.00% | 23.50% |
| Debt/Equity ratio | 0.27 | 0.27 |
| Cost of debt | 5.50% | 9.10% |
| After-tax WACC | 8.7% | 12.2% |
| Selected WACC | 10.5% | |