The WACC of Fastenal Co (FAST) is 8.9%.
| Range | Selected | |
| Cost of equity | 7.50% - 10.40% | 8.95% |
| Tax rate | 23.90% - 24.10% | 24.00% |
| Cost of debt | 4.00% - 4.50% | 4.25% |
| WACC | 7.5% - 10.4% | 8.9% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.79 | 0.99 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.50% | 10.40% |
| Tax rate | 23.90% | 24.10% |
| Debt/Equity ratio | 0 | 0 |
| Cost of debt | 4.00% | 4.50% |
| After-tax WACC | 7.5% | 10.4% |
| Selected WACC | 8.9% | |