The WACC of Illumina Inc (ILMN) is 9.6%.
| Range | Selected | |
| Cost of equity | 8.00% - 12.00% | 10.00% |
| Tax rate | 8.40% - 12.40% | 10.40% |
| Cost of debt | 4.00% - 7.00% | 5.50% |
| WACC | 7.7% - 11.6% | 9.6% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.89 | 1.27 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.00% | 12.00% |
| Tax rate | 8.40% | 12.40% |
| Debt/Equity ratio | 0.08 | 0.08 |
| Cost of debt | 4.00% | 7.00% |
| After-tax WACC | 7.7% | 11.6% |
| Selected WACC | 9.6% | |