The WACC of Carmax Inc (KMX) is 9.2%.
| Range | Selected | |
| Cost of equity | 9.70% - 13.40% | 11.55% |
| Tax rate | 23.20% - 23.60% | 23.40% |
| Cost of debt | 4.00% - 15.60% | 9.80% |
| WACC | 5.8% - 12.5% | 9.2% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.26 | 1.52 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 9.70% | 13.40% |
| Tax rate | 23.20% | 23.60% |
| Debt/Equity ratio | 1.42 | 1.42 |
| Cost of debt | 4.00% | 15.60% |
| After-tax WACC | 5.8% | 12.5% |
| Selected WACC | 9.2% | |