The reserve–deposit ratio at the bank is calculated to be 10 percent by dividing the reserves (30) by the deposits (300) and multiplying by 100%.
Based on the information provided, we can calculate the reserve–deposit ratio of the bank using the figures given in the assets and liabilities of the bank's balance sheet. To find this ratio, we look at the reserves and deposits listed in the balance sheet. According
to the figures provided, the bank has reserves of 30 and deposits of 300. To calculate the reserve–deposit ratio, we use the formula: Reserve–Deposit Ratio = (Reserves / Deposits) × 100%. Plugging in the numbers, we get (30 / 300) × 100%, which equals a 10% reserve–deposit ratio. Thus, the correct answer is C.10 percent.