Answer:
$8,730
Step-by-step explanation:
accounts receivable balance = $308,000
allowance for doubtful accounts = $510
the balance for the allowance for doubtful account should be $308,000 x 3% = $9,240
that means that it must increase by $9,240 - $510 = $8,730
the adjusting journal entry should be:
Dr Bad debt expense 8,730
Cr Allowance for doubtful accounts 8,730