The WACC of International Business Machines Corp (IBM) is 7.6%.
| Range | Selected | |
| Cost of equity | 7.30% - 9.90% | 8.60% |
| Tax rate | 10.50% - 31.60% | 21.05% |
| Cost of debt | 4.00% - 5.10% | 4.55% |
| WACC | 6.6% - 8.6% | 7.6% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.76 | 0.9 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.30% | 9.90% |
| Tax rate | 10.50% | 31.60% |
| Debt/Equity ratio | 0.26 | 0.26 |
| Cost of debt | 4.00% | 5.10% |
| After-tax WACC | 6.6% | 8.6% |
| Selected WACC | 7.6% | |