The WACC of Amgen Inc (AMGN) is 8.3%.
| Range | Selected | |
| Cost of equity | 7.90% - 11.40% | 9.65% |
| Tax rate | 11.60% - 12.90% | 12.25% |
| Cost of debt | 4.40% - 6.10% | 5.25% |
| WACC | 6.8% - 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 | 0.88 | 1.16 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.90% | 11.40% |
| Tax rate | 11.60% | 12.90% |
| Debt/Equity ratio | 0.36 | 0.36 |
| Cost of debt | 4.40% | 6.10% |
| After-tax WACC | 6.8% | 9.8% |
| Selected WACC | 8.3% | |