The WACC of Aspen Technology Inc (AZPN) is 7.6%.
| Range | Selected | |
| Cost of equity | 8.10% - 13.80% | 10.95% |
| Tax rate | 17.40% - 23.90% | 20.65% |
| Cost of debt | 4.00% - 7.00% | 5.50% |
| WACC | 5.7% - 9.5% | 7.6% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.92 | 1.59 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.10% | 13.80% |
| Tax rate | 17.40% | 23.90% |
| Debt/Equity ratio | 1 | 1 |
| Cost of debt | 4.00% | 7.00% |
| After-tax WACC | 5.7% | 9.5% |
| Selected WACC | 7.6% | |