ep SU te ep xp ken Sala Sup Utili Customers were billed for $1,400 for work completed. The Service Revenue unadjusted balance as of December 31 is $6,800. Adjustment Type: Accounts Receivable The unadjusted balance of Office Supplies at Dec. 31 is $11,200 and at year end the office supplies on hand totaled $3,820. Adjustment Type: Supplies Expense Service Revenue Office Supplies