The WACC of Mast Energy Developments PLC (MAST.L) is 6.9%.
| Range | Selected | |
| Cost of equity | 11.00% - 15.00% | 13.00% |
| Tax rate | 19.00% - 19.00% | 19.00% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 6.2% - 7.5% | 6.9% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 1.17 | 1.43 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 11.00% | 15.00% |
| Tax rate | 19.00% | 19.00% |
| Debt/Equity ratio | 2.18 | 2.18 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 6.2% | 7.5% |
| Selected WACC | 6.9% | |