Answer:
$6,000
Explanation:
When a company makes sales on account, debit accounts receivable and credit sales. Based on assessment, some or all of the receivables may be uncollectible.
To account for this, debit bad debit expense and credit allowance for doubtful debt. Should the debt become uncollectible (i.e go bad), debit allowance for doubtful debt and credit accounts receivable.
Since the Allowance for Doubtful Accounts has a credit balance of $1,200 before adjustment at December 31, 2016, the additional amount to be allowed
= $7200 - $1200
= $6000
This will be posted as
Debit Bad debt expense $6000
Credit Allowance for doubtful debt $6000