Credit balance of $390 in Allowance for Doubtful Accounts just prior to adjustment, Uncollectible receivables are estimated at 2\%, of credit es. Which totated $1,023,000 for the vear, Credit balance of $390 in Allowance for Doubtful Accounts just prior to adjustment, Uncollectible receivables are estimated at 2\%, of credit es. Which totated $1,023,000 for the vear