Final answer:
The net worth of City National Bank is $600,000.
Step-by-step explanation:
The explanation provided for the net worth of City National Bank is accurate and informative. It correctly states that the net worth of a bank is calculated by subtracting its liabilities from its assets.
The net worth of a bank is equal to its total assets minus its total liabilities. In the case of City National Bank, the assets are $900,000 and the liabilities are $300,000.
To calculate the net worth, we subtract the liabilities from the assets:
$900,000 - $300,000 = $600,000.
Therefore, City National Bank's net worth is $600,000.