Cindy Bagnal, the manager of Cayce Printing Service, has provided you with the following aging schedule for Cayce's accounts receivable: Accounts Receivable Amount Proportion Expected to Default 0-20 days 88,000 .02 21-40 days 21,500 .08 41-60 days 11,700 .15 Over 60 days 5.300 .30 126,700 Cindy indicates that the $126,700 of accounts receivable identified in the table does not include $8.900 of receivables that should be written off. 1. Journalize the $8,900 write off. 2. Determine the desired postadjustment balance in allowance for doubtful accounts. 3. If the balance in the allowance for doubtful accounts before the $8,900 write off was a debit of $450, compute the bad debt expense. Prepare the adjusting entry to record bad debt expense