The WACC of Northwest Pipe Co (NWPX) is 6.6%.
| Range | Selected | |
| Cost of equity | 5.70% - 7.60% | 6.65% |
| Tax rate | 24.30% - 25.10% | 24.70% |
| Cost of debt | 4.60% - 12.00% | 8.30% |
| WACC | 5.4% - 7.8% | 6.6% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.39 | 0.49 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.70% | 7.60% |
| Tax rate | 24.30% | 25.10% |
| Debt/Equity ratio | 0.13 | 0.13 |
| Cost of debt | 4.60% | 12.00% |
| After-tax WACC | 5.4% | 7.8% |
| Selected WACC | 6.6% | |