Data Table Andrew Air Purification System Unadjusted Trial Balance December 31, 2018 Balance Account Title Credit $ Debit 7,900 19,500 2,800 1,300 19,600 Cash Accounts Receivable Prepaid Rent Office Supplies Equipment Accumulated Depreciation Accounts Payable Salaries Payable Unearned Revenue Andrew, Capital Andrew, Withdrawals Service Revenue Equipment 4,100 3,400 3,000 39,300 9,500 16.100 u 19,600 Equipment Accumulated DepreciationEquipment Accounts Payable 4,100 3,400 Salaries Payable Unearned Revenue 3,000 39,300 Andrew, Capital Andrew, Withdrawals 9,500 16,108 3,400 Service Revenue Salaries Expense Rent Expense Depreciation Expense-Equipment Advertising Expense Supplies Expense 1,900 Total $ 65,900 $ 65,900 Adjustment data at December 31 follow: a. On December 15, Andrew contracted to perform services for a client receiving $3,000 in advance. Andrew recorded this receipt of cash as Unearned Revenue. As of December 31, Andrew has completed $1,100 of the services b. Andrew prepaid two months of rent on December 1. (Assume the Prepaid Rent balance as shown on the unadjusted trial balance represents the two months of rent prepaid on December 1.) C. Andrew used $600 of office supplies. d. Depreciation for the equipment is $300. e. Andrew received a bill for December's online advertising, $500. Andrew will not pay the bill until January. (Use Accounts Payable.) f. Andrew pays its employees on Monday for the previous week's wages. Its employees earn $5,500 for a five-day workweek. December 31 falls on Wednesday this year. g. On October 1, Andrew agreed to provide a four-month air system check (beginning October 1) se $5,50U for a five-day workweek. December 15 U VUI Lay M y g. On October 1, Andrew agreed to provide a four-month air system check (beginning October 1) for a customer for $3,600. Andrew has completed the system check every month, but payment has not yet been received and no entries have been made