The WACC of Western Digital Corp (WDC) is 8.3%.
| Range | Selected | |
| Cost of equity | 8.20% - 11.30% | 9.75% |
| Tax rate | 17.00% - 24.00% | 20.50% |
| Cost of debt | 4.00% - 7.00% | 5.50% |
| WACC | 6.9% - 9.8% | 8.3% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.93 | 1.16 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.20% | 11.30% |
| Tax rate | 17.00% | 24.00% |
| Debt/Equity ratio | 0.35 | 0.35 |
| Cost of debt | 4.00% | 7.00% |
| After-tax WACC | 6.9% | 9.8% |
| Selected WACC | 8.3% | |