The accounting system shall be in accordance with accepted principles of governmental (fund) accounting and shall include both budgetary and property accounts. The system must provide records showing at all times by funds, accounts, and other pertinent classifications the amounts appropriated, the estimated revenue, actual revenue or receipts, the amounts available for expenditure, the total expenditures, the unliquidated obligations, actual balances on hand, and the unencumbered balances of appropriations for each state agency.