If the allowance method of accounting for uncollectible receivables method was used and an estimate was made at year end, Dec.31 ........what general ledger accounts are debited and credited in JANUARY when a particular customer's account is identified as uncollectible?

debit Allowance for Bad Debts; credit Accounts Receivable

debit Bad Debts Expense; credit Accounts Receivable

debit Bad Debts Expense; credit Allowance for Bad Debts

debit Bad Debts Expense; credit Allowance for Bad Debts: incorrect.

debit Accounts Receivable; credit Allowance for Bad Debts