Please answer all the questions. Thank you!

At the beginning of the current period, Marx Corporation had balances in Accounts Receivable of $220,000 and in Allowance for Doubtful Accounts of $10,200 (credit). During the period, Marx had credit sales of $880,000 and collections on account of $839,900. Marx expects a return rate of 5%. Marx uses a perpetual inventory system and determined that the cost of goods sold during the period was $737,000. Marx wrote off as uncollectible, accounts receivable of $8,600. However, a $3,900 account previously written off as uncollectible was recovered before the end of the current period. Uncollectible accounts are estimated to total $27,500 at the end of the period. Prepare the entries to record sales, cost of goods sold, and collections during the period. (List all debit entries before credit entries. Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.) Prepare the entry to record the write-off of uncollectible accounts during the period. (List all debit entries before credit entries. Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts.) Prepare the entries to record the recovery of the uncollectible account during the period. (List all debit entries before credit entries. Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.) Prepare the entry to record bad debts expense for the period. (List all debit entries before credit entries. Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.) Using T accounts, determine the ending balances in Accounts Receivable and Allowance for Doubtful Accounts. (Post entries in the