Journalize and post the adjusting entry for uncollectibles at December 31, 2021. (Credit account titles are automatically indented when amount is entered. Do not indent manually.) At December 31,2021, the unadjusted balance in Allowance for Doubtful Accounts is a credit of $12,000. Dec. 31 Adjusting Allowance for Doubtiul Accounts Date Explanation Ref. Debit Credit Balance Dec. 31 Balance Dec. 31 Adjusting eTextbook and Media List of Accounts Save for Later Attempts: 0 of 3 used Submit