3. On July 19, 2019, a customers account balance of $6,400 is written off as uncollectible. Record the write-off. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.)

[The following information applies to the questions displayed below Pearl E. White Orthodontist specializes in correcting misaligned teeth. During 2018. Pearl provides services on account of $574,000. Of this amount, $64,000 remains receivable at the end of the year. An aging schedule as of December31, 2018, is provided below. Estimated Percent Amount Age Group Receivable Uncollectible $24,000 Not yet due 20% 0-90 days past due 14,400 9,400 25% 91-180 days past due More than 180 days past due 16,200 70% Total 64,000