Wood Work Ltd. sells home furnishings, including a wide range of furniture, major appliances, and home electronics. In a recent annual report, it disclosed the following information concerning its accounts receivable. Aging of accounts receivable, and the related impairment allowances, are provided in the following table (in thousands of dollars): Current 31-60 days 61-90 days 91-120 days Doubtful Accounts 2020 Accounts Impairment Receivable Allowance $19,600 $ 4,700 200 2,600 60 3,300 $30,200 995 $1,255 The changes to the allowance for doubtful accounts receivable for 2020 were as follows: (in thousands of dollars) Balance at beginning of year Impairment losses for unrecoverable receivables Amounts written off as uncollectible Balance at end of year Required: 2020 $1,000 1,300 (1,255) $1,555 1. Compute the percentage of uncollectible accounts for each category of receivables that are past due. (Round the final answers to 1 decimal place.) Past due accounts Percentage Current 31-60 days 61-90 days % % 91-120 days %