The WACC of Grainger PLC (GRI.L) is 7.0%.
| Range | Selected | |
| Cost of equity | 8.10% - 10.40% | 9.25% |
| Tax rate | 14.90% - 19.10% | 17.00% |
| Cost of debt | 4.00% - 7.10% | 5.55% |
| WACC | 5.9% - 8.2% | 7.0% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.69 | 0.77 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.10% | 10.40% |
| Tax rate | 14.90% | 19.10% |
| Debt/Equity ratio | 0.91 | 0.91 |
| Cost of debt | 4.00% | 7.10% |
| After-tax WACC | 5.9% | 8.2% |
| Selected WACC | 7.0% | |