The WACC of Fastenal Co (FAST) is 9.0%.
| Range | Selected | |
| Cost of equity | 7.50% - 10.70% | 9.10% |
| Tax rate | 24.10% - 24.20% | 24.15% |
| Cost of debt | 4.00% - 4.50% | 4.25% |
| WACC | 7.4% - 10.6% | 9.0% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.78 | 1.03 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.50% | 10.70% |
| Tax rate | 24.10% | 24.20% |
| Debt/Equity ratio | 0.01 | 0.01 |
| Cost of debt | 4.00% | 4.50% |
| After-tax WACC | 7.4% | 10.6% |
| Selected WACC | 9.0% | |