1. Estimate the balance of the Allowance for Doubtful Accounts using percent of sales method. Assume a $0 existing balance in Allowance for Doubtful Accounts. Hint. Identify the percent of uncollectible for credit sales. 2. Estimate the balance of the Allowance for Doubtful Accounts using percent of receivables method. Assume a $0 existing balance in Allowance for Doubtful Accounts. Hint: Identify the percent of uncollectible for accounts receivable. 3. Estimate the balance of the Allowance for Doubtful Accounts using aging of accounts receivable. Assume a $0 existing balance in Allowance for Doubtful Accounts. Complete this question by entering your answers in the tabs below. Estimate the balance of the Allowance for Doubtful Accounts using aging of accounts receivable. Assume a $0 existing balance in Allowance for Doubtful Accounts. Accounts receivable Percent uncollectible (%) Req 1 and 2 Req 3 Not yet due: 1 to 30: 31 to 60: 61 to 90: X X X $ 0