An aging of a company's accounts receivable indicates that $9500 are estimated to be uncollectible. If Allowance for Doubtful Accounts has a $3500 credit balance, the adjustment to record bad debts for the period will require a O credit to Allowance for Doubtful Accounts for $9500. O debit to Allowance for Doubtful Accounts for $6000. debit to Bad Debt Expense for $9500. O debit to Bad Debt Expense for $6000.