The WACC of 4Basebio PLC (4BB.L) is 12.5%.
| Range | Selected | |
| Cost of equity | 11.30% - 14.50% | 12.90% |
| Tax rate | 10.00% - 11.90% | 10.95% |
| Cost of debt | 4.00% - 7.00% | 5.50% |
| WACC | 11.0% - 14.1% | 12.5% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 1.23 | 1.36 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 11.30% | 14.50% |
| Tax rate | 10.00% | 11.90% |
| Debt/Equity ratio | 0.05 | 0.05 |
| Cost of debt | 4.00% | 7.00% |
| After-tax WACC | 11.0% | 14.1% |
| Selected WACC | 12.5% | |