Selected unadjusted account balances at December $31,2023,$ are shown below for Demron Servicing. AccountDebitCreditAccounts receivable$$75,000$ Allowance for doubtful accounts $$1,200$Sales $($all on credit$)525,000$Sales discounts $13,000$ Required:a$.$ Assume that Demron estimates uncollectible accounts as $4\%$ of receivables. Prepare the adjusting entry required on December $31,2023,$ to estimate uncollectible receivables. b$.$ During $2024,$ credit sales were $$680,000($cost of sales $$445,850)$; sales discounts taken were $$17,000$; accounts receivable collected were $$623,500$; and accounts written off during the year totalled $$14,000.$ Prepare the entries to record these transactions. c$.$ Record the adjusting entry required on December $31,2024,$ to estimate uncollectible receivables, assuming it is based on $4\%$ of receivables. d$.$ Show how accounts receivable would appear on the December $31,2024,$ balance sheet.