Aging of Receivables; Estimating Allowance for Doubtful Accounts Wig Creations Company supplies wigs and hair care products to beauty salons throughout Texas and the Southwest. The accounts receivable clerk for Wig Creations prepared the following partially completed aging of receivables schedule as of the end of business on December 31, 20Y1: Not Days Past Due Customer Balance Past Due Over 1-30 31-60 61-90 91-120 120 ABC Beauty Angel Wigs 15,000 15,000 8,000 8,000 Zodiac Beauty Subtotals 3,000 3,000 875,000 415,000 210,000 112,000 55,000 18,000 65,000 The following accounts were unintentionally omitted from the aging schedule: Customer Due Date Balance Arcade Beauty Aug. 17, 20Y1 $10,000 Creative Images Oct. 30, 20Y1 8,500 Excel Hair July 3, 20Y1 7,500 Products First Class Hair Sept. 8, 20Y1 6,600 Care Golden Images Nov. 23, 20Y1 3,600 Oh That Hair Nov. 29, 20Y1 1,400 One Stop Hair Designs Dec. 7, 20Y1 4,000 Visions Hair & Nail Jan. 11, 2012 9,000 Wig Creations has a past history of uncollectible accounts by age category, as follows: Age Class Percent Uncollectible Not past due 1 % 1-30 days past 4 due 31-60 days past 16 due 61-90 days past 25 due 91-120 days 40 past due Over 120 days 80 past due