If the Allowance for Doubtful Accounts has a $1000 debit balance prior to making the end-of-period adjusting entry for bad debts, then it must mean that: A) $1000 fewer accounts receivables were written off than were estimated back when the prior period's adjusting entry for bad debts was recorded

B) the aging method was used

C) the direct write-off method was used

D) $1,000 more accounts receivables were written off than were estimated back when the prior period's adjusting entry for bad debts was recorded.