The WACC of NAPCO Security Technologies Inc (NSSC) is 6.6%.
| Range | Selected | |
| Cost of equity | 7.10% - 11.20% | 9.15% |
| Tax rate | 11.90% - 13.50% | 12.70% |
| Cost of debt | 4.60% - 4.60% | 4.60% |
| WACC | 5.6% - 7.6% | 6.6% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.71 | 1.13 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.10% | 11.20% |
| Tax rate | 11.90% | 13.50% |
| Debt/Equity ratio | 1 | 1 |
| Cost of debt | 4.60% | 4.60% |
| After-tax WACC | 5.6% | 7.6% |
| Selected WACC | 6.6% | |