The WACC of Northwest Pipe Co (NWPX) is 7.7%.
| Range | Selected | |
| Cost of equity | 6.80% - 9.20% | 8.00% |
| Tax rate | 24.30% - 25.10% | 24.70% |
| Cost of debt | 5.10% - 12.00% | 8.55% |
| WACC | 6.3% - 9.1% | 7.7% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.63 | 0.76 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.80% | 9.20% |
| Tax rate | 24.30% | 25.10% |
| Debt/Equity ratio | 0.2 | 0.2 |
| Cost of debt | 5.10% | 12.00% |
| After-tax WACC | 6.3% | 9.1% |
| Selected WACC | 7.7% | |