The WACC of Arthur J Gallagher & Co (AJG) is 7.1%.
| Range | Selected | |
| Cost of equity | 6.50% - 8.50% | 7.50% |
| Tax rate | 9.40% - 15.00% | 12.20% |
| Cost of debt | 4.30% - 4.90% | 4.60% |
| WACC | 6.2% - 8.1% | 7.1% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.56 | 0.66 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.50% | 8.50% |
| Tax rate | 9.40% | 15.00% |
| Debt/Equity ratio | 0.12 | 0.12 |
| Cost of debt | 4.30% | 4.90% |
| After-tax WACC | 6.2% | 8.1% |
| Selected WACC | 7.1% | |