Answer:The adjusting journal entry will be
a)Debit Bad debts expense $9,615
Credit Allowance for doubtful accounts $9,615
b))Debit Bad debts expense $13,481
Credit Allowance for doubtful accounts $13,481
Explanation:
Estimated uncollectible= $421,400 × 3% = $12,642
Allowance for doubtful accounts with a credit balance of $3,027
Allowance for Bad debts expense = $12,642 - $3,027= $9,615
Account titles and explanation Debit Credit
Bad debts expense $9,615
Allowance for doubtful accounts $9,615
When the Allowance for doubtful accounts has a debit balance of $839
$12,642+$839= $13,481
Account titles and explanation Debit Credit
Bad debts expense $13,481
Allowance for doubtful accounts $13,481