The WACC of Boston Beer Company Inc (SAM) is 6.4%.
| Range | Selected | |
| Cost of equity | 5.70% - 7.20% | 6.45% |
| Tax rate | 28.50% - 30.10% | 29.30% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 5.7% - 7.2% | 6.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.39 | 0.41 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.70% | 7.20% |
| Tax rate | 28.50% | 30.10% |
| Debt/Equity ratio | 0 | 0 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 5.7% | 7.2% |
| Selected WACC | 6.4% | |