12. J\&Co has credit sale of OMR 900,00 for year 2017 . On December 31, 2017, the company's Allowance for doubtful Accounts has a Zero balance. J\&Co prepare a schedule of its December 31, 2017, account receivable by age. On the basis of past experience, it also estimate the percent of receivable in each age category that will become uncollectable. This information is summarized here: Required. a. Compute the amount needed in the Allowance for Doubtful Accounts at December 31, 2017, using the aging of accounts receivable method. b. Prepare the journal entry to record bad debts expense at December 31, 2017. Show how accounts receivable would be presented on the Balance sheet at December