An aging of a company's accounts receivable indicates that $8800 are estimated to be uncollectible. If Allowance for Doubtful Accounts has a $5140 credit balance, the adjustment to record bad debts for the period will require a credit to Allowance for Doubtful Accounts for $8800. debit to Allowance for Doubtful Accounts for $3660. debit to Bad Debt Expense for $3660. debit to Bad Debt Expense for $8800