Prepare the December 31 adjusting entries for the following transactions. If an amount box does not require an entry, leave it blank. 1. Fees accrued but not billed, $6,300 2. The Supplies account balance on December 31, $4,750; Supplies on hand, $960 3. Wages accrued but not paid, $2,700 4. Depreciation of office equipment, $1,650 5. Rent expired during year, $10,800. Dec. 31 31 31 31 31