The WACC of 4Basebio PLC (4BB.L) is 12.5%.
| Range | Selected | |
| Cost of equity | 11.40% - 14.40% | 12.90% |
| Tax rate | 10.00% - 11.90% | 10.95% |
| Cost of debt | 4.00% - 7.00% | 5.50% |
| WACC | 11.0% - 13.9% | 12.5% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 1.24 | 1.35 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 11.40% | 14.40% |
| Tax rate | 10.00% | 11.90% |
| Debt/Equity ratio | 0.06 | 0.06 |
| Cost of debt | 4.00% | 7.00% |
| After-tax WACC | 11.0% | 13.9% |
| Selected WACC | 12.5% | |