An aging of a company's accounts receivable indicates that $10000 are estimated to be uncollectible. If Allowance for Doubtful Accounts has a $3400 credit balance, the adjustment to record bad debts for the period will require a debit to Bad Debt Expense for $10000. debit to Allowance for Doubtful Accounts for $6600. credit to Allowance for Doubtful Accounts for $10000. debit to Bad Debt Expense for $6600