20 Gtion 20 of 27 ponts Ses A An aging of a company's accounts receivable indicates that $21,000 are estimated to be uncollectible. If Allowance for Doubtful Accounts has a $6,000 debit balance, the adjustment to record bad debts for the period will require a OA. debit to Bad Debt Expense for $21,000. OB. debit to Bad Debt Expense for $27,000. COC. debit to Bad Debt Expense for $15,000. OD. credit to Allowance for Doubtful Accounts for $6,000