/aughn Advertising Compary's trial balance at December 31 shows Supplies $8,790 and Supplies Expense $0. On December 31 , here re $2.110 of supplies on hand. (a1) Prpare the adjusting entry at December 31 (List debit entry before credit entry. Credit occount titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Enty" for the occount tidles and enter Ofor the amounts.) Attempts: 1 of 6 used (a2) Using T-accounts, enter the balances in the accounts, post the adjusting entry, and indicte the adjusted balance in each account