Answer and Explanation:
1.
The estimation of the required balances are as follows:
Age Balance Estimated Estimated Uncollectible amount
of Dec-31 Percentage
Accounts Uncollectible
Not yet due $620,000 0.85% $5,270.00
1–30 days $248,000 1.60% $3,968.00
31–60 days $49,600 6.10% $3,025.60
61–90 days $24,800 30.75% $7,626.00
Over 90 days $4,960 64.00% $3,174.40
Total $947,360 $23,064
2.
Now the journal entry is
but before that following calculation is needed
Ending balance of allowance for doubtful account $23,064
Less: Opening balance in allowance for doubtful account -$19,564
Bad debt expense for the year $3,500
The journal entry is
Bad debt expense $ 3,500
To Allowance for doubtful accounts $ 3,500
(Being bad debt expense is recorded)