Becky had net sales (all on account in 2014 of $600,000. at december 31, 2014, before adjusting entries, the balances in selected accounts were: accounts receivable $750,000 debit, and allowance for doubtful accounts $1,500 debit. becky estimates that 3% of its net sales will prove to be uncollectible. what is the net realizable value of the receivables reported on the financial statements at december 31, 2014?