At the beginning of the current period, Shamrock Corp. had balances in Accounts Receivable of $187,800 and in Allowance for Doubtful Accounts of $9,630 (credit). During the period, it had net credit sales of $860,400 and collections of $687,720. It wrote off as uncollectible accounts receivable of $7,381. However, a $2,859 account previously written off as uncollectible was recovered before the end of the current period. Uncollectible accounts are estimated to total $23,070 at the end of the period.

Required:
a. Determine the ending balances in Accounts Receivable and Allowance for Doubtful Accounts.
b. What is the net realizable value of the receivables at the end of the period?