The WACC of Synairgen PLC (SNG.L) is 8.3%.
| Range | Selected | |
| Cost of equity | 10.70% - 14.20% | 12.45% |
| Tax rate | 17.70% - 19.10% | 18.40% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 7.4% - 9.1% | 8.3% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 1.13 | 1.32 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 10.70% | 14.20% |
| Tax rate | 17.70% | 19.10% |
| Debt/Equity ratio | 1 | 1 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 7.4% | 9.1% |
| Selected WACC | 8.3% | |