The WACC of Kirby Corp (KEX) is 7.1%.
| Range | Selected | |
| Cost of equity | 6.70% - 8.60% | 7.65% |
| Tax rate | 24.50% - 25.00% | 24.75% |
| Cost of debt | 4.00% - 5.10% | 4.55% |
| WACC | 6.2% - 8.0% | 7.1% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.61 | 0.66 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.70% | 8.60% |
| Tax rate | 24.50% | 25.00% |
| Debt/Equity ratio | 0.14 | 0.14 |
| Cost of debt | 4.00% | 5.10% |
| After-tax WACC | 6.2% | 8.0% |
| Selected WACC | 7.1% | |