The general functions of the accounting division are to maintain fiscal systems and procedures including internal control procedures within and among the various departments and divisions of the city; to keep or cause to be kept the general subsidiary journals and ledgers for all city funds; to direct or participate in the preaudit and postaudit of purchase requisitions, receipts, invoices and other claims for payment; to prepare and maintain payroll and payroll reports; to prepare monthly closing journal entries and analyze appropriation reports; to check daily revenue collection cash reports; to prepare adjustment vouchers, to correct or close accounts maintained; to participate in the maintenance of inventory control systems for cost accounting; and to perform all other functions and duties required by law. (Prior code § 2-1-2(g)(4))