The WACC of International Bancshares Corp (IBOC) is 8.9%.
| Range | Selected | |
| Cost of equity | 8.50% - 11.00% | 9.75% |
| Tax rate | 21.20% - 21.30% | 21.25% |
| Cost of debt | 5.00% - 5.00% | 5.00% |
| WACC | 7.9% - 10.0% | 8.9% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 1 | 1.08 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.50% | 11.00% |
| Tax rate | 21.20% | 21.30% |
| Debt/Equity ratio | 0.16 | 0.16 |
| Cost of debt | 5.00% | 5.00% |
| After-tax WACC | 7.9% | 10.0% |
| Selected WACC | 8.9% | |