An aging of a company's accounts receivable indicates that $15800 are estimated to be uncollectible. If Allowance for Doubtful Accounts has a $1210 credit balance, the adjustment to record bad debts for the period will require a credit to Allowance for Doubtful Accounts for $15800. debit to Allowance for Doubtful Accounts for $14590. debit to Bad Debt Expense for $15800. debit to Bad Debt Expense for $14590.