Below is a schedule of accounts receivable. Using the aging method, determine the ending balance in the allowance for uncollectible accounts. Length of time Accounts receivable Percentage estimated outstanding balance uncollectible 0-30 days $200,000 0.5% 30-60 days 100,000 1 60-90 days 50,000 2 Over 90 days 40,000 6 O $4,400 0 $3,400 $0 $5,400