The WACC of Rockfire Resources PLC (ROCK.L) is 7.1%.
| Range | Selected | |
| Cost of equity | 6.80% - 13.60% | 10.20% |
| Tax rate | 19.00% - 19.00% | 19.00% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 5.4% - 8.8% | 7.1% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.46 | 1.23 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.80% | 13.60% |
| Tax rate | 19.00% | 19.00% |
| Debt/Equity ratio | 1 | 1 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 5.4% | 8.8% |
| Selected WACC | 7.1% | |