At December 31, 2020, its annual year-end, the accounts of Sun Systems Inc. show the following.

1. Sales revenue for 2020, $144,000, of which one-sixth was on account. 2. Allowance for doubtful accounts, balance December 31, 2019, $720 credit. 3. Accounts receivable, balance December 31, 2020 (prior to any write-offs of uncollectible accounts during 2020), $14,440. 4. Uncollectible accounts to be written off, December 31, 2020, $840. 5. Aging schedule at December 31, 2020, showing the following breakdown of total accounts receivable, excluding amounts to be written off.

Status	Amount
Not past due	Remainder
Past due 160 days	$3,200
Past due over 60 days	2,400

Required

a. Prepare the 2020 entry to write off the uncollectible accounts.

b. Prepare the 2020 adjusting entry to record bad debt expense for each of the following separate assumptions concerning expected bad debt loss rates. Note: Treat each of the following scenarios separately, they are independent of one another.

1. Bad debt expense is based on credit sales, 1.5%. (Hint: See p. 8-19: Alternative to Estimating Net Realizable Value)

2. The Allowance for Doubtful accounts is based on total receivables at year-end, 2.5%.

3. The Allowance for Doubtful accounts is based on aging schedule: not past due, 0.5%; past due 160 days, 1%; and past due over 60 days, 8%.

4. Bad debt expense is based on direct write-off method (assume entry in part a has not been recorded).

c. Prepare the 2020 balance sheet disclosure relating to accounts receivable for each assumption 1 through 4 of part b. For 4 assumption only, assume that there is a zero balance in the allowance for doubtful accounts on December 31, 2019.

a.

Date	Account Name	Dr.	Cr.
Dec. 31, 2020		Answer	Answer
		Answer	Answer

b. Note: Treat each scenario separately, they are independent of one another.

1.

Date	Account Name	Dr.	Cr.
Dec. 31, 2020		Answer	Answer
		Answer	Answer

2.

Date	Account Name	Dr.	Cr.
Dec. 31, 2020		Answer	Answer
		Answer	Answer

3.

Date	Account Name	Dr.	Cr.
Dec. 31, 2020		Answer	Answer
		Answer	Answer

4.

Date	Account Name	Dr.	Cr.
Dec. 31, 2020		Answer	Answer
		Answer	Answer

c.

Note: Do not use negative signs with your answers.

Balance Sheet, December 31, 2020	1	2	3	4
Accounts receivable	Answer	Answer	Answer	Answer
Less: Allowance for doubtful accounts	Answer	Answer	Answer	Answer
Accounts receivable, net	Answer	Answer	Answer	Answer

Please answer all parts of the question.