Answer:
I looked for the missing information and found the following:
Total Balance 1-30 days 31-60 days 61-90 days over 90 days
$329,000 $160,000 $90,000 $51,000 $28,000
% uncollectible 1% 2% 3% 20%
Allowance for Doubtful Accounts has a $1,100 credit balance before any adjustment.
total bad debt expense = $1,600 + $1,800 + $1,530 + $5,600 = $10,530
adjusting entry = $10,530 - $1,100 = $9,430
adjusting entry:
December 31, 202x, bad debt expense
Dr Bad debt expense 9,430
Cr Allowance for doubtful accounts 9,430