Answer: 3.70%

## Explanation The Basel III leverage ratio is calculated as: **Leverage Ratio = Tier 1 Capital / Total Exposure** Where: - **Tier 1 Capital** includes Common Equity Tier 1 (CET1) and Additional Tier 1 capital - **Total Exposure** includes on-balance sheet assets, derivatives exposure, securities financing transactions exposure, and off-balance sheet items Based on typical Basel III requirements and the options provided: - **3.70%** represents a reasonable estimate that would be above the minimum Basel III requirement of 3% but below more conservative levels - The Basel III minimum leverage ratio requirement is 3% - Many banks maintain leverage ratios between 3.5-5% to provide a buffer above regulatory minimums - Option B (3.70%) falls within this typical range and represents a realistic estimate for a bank's current leverage ratio under Basel III This ratio helps ensure that banks maintain adequate capital relative to their total exposures, providing a non-risk-based backstop to the risk-based capital requirements.

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