i cant figure out the ending balance in accounts receivable and ending balance in allowances for doubtful accounts?

At the beginning of the current period, Kingbird Corp. had balances in Accounts Receivable of $192,800 and in Allowance for Doubtful Accounts of $8,520 (credit). During the period, it had net credit sales of $722,500 and collections of $708,940. It wrote off as uncollectible accounts receivable of $7,972. However, a $3,275 account previously written off as uncollectible was recovered before the end of the current period. Uncollectible accounts are estimated to total $22,740 at the end of the period. (Omit cost of goods sold entries.) (a - d) Your Answer Correct Answer (Used) Prepare the entries to record sales and collections during the period