please help solve the missing parts

SWATHMORE CLOTHING CORPORATION 5 Accounts Receivable, 12/31/15 6 Allowance for uncollectible accounts, 12/31/15 7 Credit sales, year 2016 $574,000 54,000 2,620,000 (2,483,000) 8 Collections, year 2016 (68,000) 9 )Write-offs, year 2016 10 Ending A/R balance at 12/31/16 643.000 12 A/R aging at 12/31/2016: 13 14 15 16 17 18 19 20 21 22 Bad debt estimate (percentage of 23 monthly credit sales) Percentage Amount Uncollectible Age Group 0-60 days 61-91 days 91-120 days Over 120 days Total $430,000 $98,000 60.000 4% 15% 25% $ 55,000 $643,000 40% 3% 24 25 26 27 28