A trial balance at December 31 , 2020 before adjustment included the following : Debit Credit Accounts receivable $ 75,000 Allowance for doubtful accounts 250 Sales $ 846,000 Sales returns and allowances 4,250 Required : Give journal entry assuming that the estimate of uncollectibles is determined by taking 3 % of net accounts receivable at December 31 , 2020. ( 5 Marks ) What is the Net Realizable Value of receivables at December 31 , 2020 after adjustments ? ( 3 marks ) Prepare the journal entry to record the customer account of $ 1,500 was written off in February 2020 ( 2 Marks ) In December 2020 the company has collected $ 1,000 of the account that previously written off in part c above Record the necessary journal entry ( entries ) . ( 4 marks )