The unadjusted trial balance of Alatos Air Purification System at December 31, 2016, and the data needed for the adjustments follow. ALSTON AIR PURIFICATION SYSTEM Unadjusted Trial Balance December 31, 2016 Balance Account Title Debit Credit Cash 17.400 Account 19.300 Produse 2,700 Office 1.100 Lovint 20.000 Acounted Deprecation-Euonet 14.000 Accounts 100 Sweable Unewned Bene Alta, Collai 10.100 Aston With 9.000 Service 15.400 Saare 3.400 2.500 Adveng Espere Scope 565.200 565.200 Adjustment data at December 31 follow a. On December 15. Al con contracted to perform services for a client receiving $2.600 in advance. Alston recorded this recipe of cahas Uneamed Revenue. As of December 31. Almon has completed $1.200 of the service b. Also prepaid two months of rent on December 1 Altoned 5650 of office supplies during the month d. Depreciation for the equipment is 5500 c. Al con received a bill for Decembers online advertising, 5600 Almon will not pay the bill until January (Us Accounts Payable E Almon pays its employees weekly on Monday for the previous week wes les employees carn $5.500 for a five-day workweek. December 31 falls on Wednesday this year On October 1. Altonagreed to provide a four month air wynem check beginning October 1) for a customer for $2.800. Also has completed the system check every month, but payment has not yet been received and no enties have been made Requirement: Journalize the adjusting entries. MacBook Pro