The balance sheet of Clemons Company at 12/31/19 shows the following: Accounts receivable 261,650 Less: Allowance for doubtful accounts 14,690 246,960 Transactions in 2020 include the following: 1. Accounts receivable of $200,000 were collected. 2. $7,600 was received in payment of an account which was written off the books as worthless in 2019. 3. Customer accounts of $21,680 were written off during the year. 4. At year-end, Allowance for Doubtful Accounts was estimated to need a balance of $18,680. This estimate is based on an analysis of aged accounts receivable. Instructions: a. Prepare journal entries for the above transactions b. Show T accounts of Accounts Receivable and Allowance for Doubtful Accounts and post all entries