How do you get the Assigned to Library amount of $19,500 other than by a plug number?

 

Assets: Cash Investments Eastville City Library Library Permanent Fund Balance Sheet As of December 31, 2017 Accrued Interest Receivable $ 555 $ 10,000 524,000 $ 2,750 $ 536,750 Total Assets Liabilities an Fund Balance: Accounts Payable $ 2,750 Fund Balance: Nonspendable - Peranent Fund Principal $ 514,500 Assigned to Library $ 19,500 Total Fund Balance $ 534,000 Total Liabilities and Fund Balance $ 536,750