Richmond Hill Company had accounts receivable of $200,000 and an allowance for doubtful accounts of the $30,000 just prior to writing off as worthless an account receivable for Excelsior Company of $10,000. The net realizable value of accounts receivable as shown by the accounting record before and after the write-off was as follows: Mutiple Choice Before $170,000. After $170,000 Before $200,000, After $200,000 None of the other alternatives are correct Before $200.000. Aer $190.000 Before $170.000, After $160,000