E3-25 Journalizing adjusting entries and posting to T-accounts Learning Objective 3 3, Office Supplies bal. \$1,100 DR The unadjusted trial balance for First Class Maids Company, a cleaning service, is as follows: Copruth o 2016 Frasion Edacution, fnc- During the 12 months ended December 31, 2016, First Class Maids: a. used office supplies of $1,900. b. used prepaid insurance of $560. c. depreciated equipment, $510. d. accrued salaries expense of $250 that hasn't been paid yet. c. camed $420 of unearned revenue