The following information is available on january 31, 2021. the company estimates future uncollectible accounts. the company determines $4,300 of accounts receivable on january 31 are past due, and 20% of these accounts are estimated to be uncollectible. the remaining accounts receivable on january 31 are not past due, and 5% of these accounts are estimated to be uncollectible. (hint: use the january 31 accounts receivable balance calculated in the general ledger.) supplies at the end of january total $950. accrued interest revenue on notes receivable for january. interest is expected to be received each december 31. unpaid salaries at the end of january are $34,900.