Swathmore Clothing Corporation grants its customers 30 days’ credit. The company uses the allowance method for its uncollectible accounts receivable. During the year, a monthly bad debt accrual is made by multiplying 3% times the amount of credit sales for the month. At the fiscal year-end of December 31, an aging of accounts receivable schedule is prepared and the allowance for uncollectible accounts is adjusted accordingly. At the end of 2020, accounts receivable were "$574,000" and the allowance account had a credit balance of $54,000. Accounts receivable activity for 2021 was as follows:

Beginning balance $574,000
Credit sales 2,620,000
Collections (2,483,000 )
Write-offs (68,000 )
Ending balance $643,000

The company's controller prepared the following aging summary of year-end accounts receivable:

Summary
Age Group Amount Percent Uncollectible
0 - 60 days $463,000 5%
61 - 90 days 80,000 16%
91 - 120 days 69,000 27%
Over 120 day 79,000 35%
Total $691,000

Required:
a. Prepare a summary journal entry to record the monthly bad debt accrual.
b. Prepare the necessary year-end adjusting entry for bad debt.
c. What is total bad debt expense for 2020?
d. How would accounts receivable appear in the 2016 balance sheet?