hello, im having a hard time understanding these questions from the book Fundamental Accounting Principales. please i need help somving this thank you:)

Problem 8-2B Estimating bad debt expense LO2,3 CHECK FIGURES: 1b. Bad Debt Expense = $11.240 2. Accounts receivable (net) = $216,160 Credit Page 577 On December 31, 2017, Stilton Service Company's year-end, the unadjusted trial balance included the following items: Account Debit Accounts receivable.... $239,000 Allowance for doubtful accounts $ 3.100 Sales ($470,000 cash sales). 1,128,000 Click here for a description of Table: Problem 8-2B. Required 1. Prepare the adjusting entry on the books of Stilton Service Company to estimate bad debts under each of the following independent assumptions: a. Bad debts are estimated to be 3% of credit sales. b.An analysis suggests that 6% of outstanding accounts receivable on December 31, 2017, will become uncollectible. 2. Show how Accounts Receivable and the Allowance for Doubtful Accounts would appear on the December 31, 2017, balance sheet given the facts in requirement 1(a). 3. Show how Accounts Receivable and the Allowance for Doubtful Accounts would appear on the December 31, 2017, balance sheet given the facts in requirement 1(b). Analysis Component: Would you recommend to Stilton that it use the income statement or the balance sheet approach to estimate uncollectible accounts receivable? Explain why, identifying advantages and disadvantages for each approach. Problem 8-3B Aging accounts receivable LO2,3 Xeel CHECK FIGURE: 2. Bad Debt Expense = $43,860 On December 31, 2017, RCA Company's Allowance for Doubtful Accounts had an unadjusted debit balance of $7,800. The accountant for RCA has prepared a schedule of the December 31, 2017, accounts receivable by age and, on the basis of past experience, has estimated the percentage of the receivables in each age category that will become uncollectible. This information is summarized as follows: December 31, 2017 Age of Expected Percentage Accounts Receivable Accounts Receivable Uncollectible $620,000 Not due (under 30 days) 1.75% 355.600 1 to 30 days past due 2,5 41.000 31 to 60 days past due 8.5 11,500 61 to 90 days past due 7,600 Over 90 days past due Click here for a description of Table: Problem 8-3B. Required 1. Calculate the amount that should appear in the December 31, 2017, balance sheet as the Allowance for Doubtful Accounts. 2. Prepare the journal entry to record bad debt expense for 2017 Analysis Component: On July 31, 2018, RCA concluded that a customer's $4,200 receivable (created in 2017) was uncollectible and that the account should be written off. What effect will this action have on RCA's 2018 profit? Explain your