The WACC of Amgen Inc (AMGN) is 8.3%.
| Range | Selected | |
| Cost of equity | 8.60% - 11.00% | 9.80% |
| Tax rate | 11.60% - 12.90% | 12.25% |
| Cost of debt | 4.40% - 7.00% | 5.70% |
| WACC | 7.1% - 9.5% | 8.3% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1.02 | 1.1 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.60% | 11.00% |
| Tax rate | 11.60% | 12.90% |
| Debt/Equity ratio | 0.44 | 0.44 |
| Cost of debt | 4.40% | 7.00% |
| After-tax WACC | 7.1% | 9.5% |
| Selected WACC | 8.3% | |