Can I please get detailed answer for this. I am trying to understand the process to get to the answer.

expense al su ule 2010, assuulmng that 7 per cent of accounts receivable at 30 June are uncollectible 19 Comparing methods for uncollectible receivables LO2,3 The following data pertains to the operations of Knight Corporation for 2016: Net credit sales Net income (before bad debt expense) Write-offs of uncollectible accounts Estimated uncollectible percentage of net credit sales $725000 135000 17 500 300