The WACC of Porvair PLC (PRV.L) is 6.7%.
| Range | Selected | |
| Cost of equity | 5.90% - 7.90% | 6.90% |
| Tax rate | 21.10% - 22.10% | 21.60% |
| Cost of debt | 4.00% - 4.60% | 4.30% |
| WACC | 5.8% - 7.7% | 6.7% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.33 | 0.42 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.90% | 7.90% |
| Tax rate | 21.10% | 22.10% |
| Debt/Equity ratio | 0.05 | 0.05 |
| Cost of debt | 4.00% | 4.60% |
| After-tax WACC | 5.8% | 7.7% |
| Selected WACC | 6.7% | |