Modern Times, Inc., a calendar year corporation, had, on its 12-31-2018 balance sheet the following amounts: Accounts receivable $365,000. (debit) Allowance for doubtful accounts 18,000. (credit) Transactions in 2019 included: 1. Accounts receivable of $ 925,400. were collected. 2. Sales on account amounted to $ 978,300. and sales returns were $ 28,200, all sales were on account. 3. Customer accounts totaling $ 35,700. were written off during the year. A. What is the net realizable value of accounts receivable on 1-1-2019? B. Assuming that the allowance for doubtful accounts at the end of the year needs to be 6% of gross accounts receivable, prepare the bad debt expense adjusting journal entry for 12-31-2019. C. Assuming instead that the 12-31-2019 bad debt expense is figured on 3% of net sales, redo the bad debt expense entry