1. You know that an estimated $6,000 is uncollectible because a company's accounts receivable is aging. If his bad debt reserve debit balance is $2,000, an adjustment is required to recognize the bad debt for the period.
   1. Debit to Bad Debt Expense for $8,000.
   2. Debit to Allowance for Doubtful Accounts for $8,000.
   3. Debit to Bad Debt Expense for $4,000.
   4. Credit to Allowance for Doubtful Accounts for $4,000.