n aging of a company's accounts receivable indicates that $6,000 are estimated to be uncollectible. If Allowance for Doubtful Accounts has a $800 credit balance, the adjustment to record bad debts for the period will require a: Select one: a. credit to Allowance for Doubtful Accounts for $6,000. b. debit to Bad Debt Expense for $5,200. c. debit to Bad Debt Expense for $6,000. d. debit to Allowance for Doubtful Accounts for $5,200.