the balance sheet of skysong company at december 31, 2024, includes the following. notes receivable $36,200 accounts receivable 195,800 less: allowance for doubtful accounts 20,700 $211,300 transactions in 2025 include the following. 1. accounts receivable of $142,700 were collected including accounts of $69,300 on which 3% sales discounts were allowed. 2. $5,920 was received in payment of an account which was written off the books as worthless in 2024. 3. customer accounts of $20,900 were written off during the year. 4. at year-end, allowance for doubtful accounts was estimated to need a balance of $23,200. this estimate is based on an analysis of aged accounts receivable.