The WACC of Mirriad Advertising PLC (MIRI.L) is 8.5%.
| Range | Selected | |
| Cost of equity | 7.10% - 10.90% | 9.00% |
| Tax rate | 2.10% - 3.40% | 2.75% |
| Cost of debt | 4.00% - 4.60% | 4.30% |
| WACC | 6.8% - 10.2% | 8.5% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.52 | 0.84 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.10% | 10.90% |
| Tax rate | 2.10% | 3.40% |
| Debt/Equity ratio | 0.12 | 0.12 |
| Cost of debt | 4.00% | 4.60% |
| After-tax WACC | 6.8% | 10.2% |
| Selected WACC | 8.5% | |