The WACC of Plan Optik AG (P4O.DE) is 8.3%.
| Range | Selected | |
| Cost of equity | 7.20% - 11.10% | 9.15% |
| Tax rate | 30.10% - 32.30% | 31.20% |
| Cost of debt | 4.00% - 4.50% | 4.25% |
| WACC | 6.6% - 10.0% | 8.3% |
| Category | Low | High |
| Long-term bond rate | 2.8% | 3.3% |
| Equity market risk premium | 5.1% | 6.1% |
| Adjusted beta | 0.87 | 1.2 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.20% | 11.10% |
| Tax rate | 30.10% | 32.30% |
| Debt/Equity ratio | 0.16 | 0.16 |
| Cost of debt | 4.00% | 4.50% |
| After-tax WACC | 6.6% | 10.0% |
| Selected WACC | 8.3% | |