Answer:
$21,000
Explanation:
Given that,
Balance in allowance for doubtful accounts = $12,000
Unadjusted balance of allowance for doubtful accounts (Debit balance) = $9,00
Accounts receivable on December 31 = $200,000
Bad debt expense:
= Balance in allowance for doubtful accounts - Unadjusted balance of allowance for doubtful accounts (Debit balance)
= $12,000 + $9,000
= $21,000