PRINTE Question 6 Under the allowance method for uncollectible accounts, allowance for doubtful accounts increases, while accounts receivables decrease when writing off an uncollectible account. O the entry to write off an uncollectible account only involves statement of financial position accounts. bad debt expense increases, while allowance for doubtful accounts decreases when writing off an uncollectible account. bad debts expense is not recorded until a customer defaults