The amount of uncollectible accounts at the end of the year is estimated to be $31,500, using the aging of accounts receivable method. The balance in the Allowance of Doubtful Accounts account is an $10,000 credit before adjustment. What is the adjusted balance of the Allowance for Doubtful Accounts at the end of the year? Multiple Choice $10,600. $31,500. $20,900. $42,100