The accountant for Strikingly Fresh Advertising Pty Ltd prepared an ageing analysis of accounts receivable balances at 30 June 2021 as set out below. The percentages of each age group are based on experience and are shown next to the aged balances. The company is registered for GST. The allowance method is used to account for bad debts. On 30 June 2021, the credit balance of the Allowance for Doubtful Debts account is $430 before any adjustments for debts not expected to be recovered. Estimated uncollectable Age Balance ($ (%) Current 1.0 66,000 30-60 days overdue 1.5 110,000 61-120 days overdue 2.0 49,500 121 days to 6 months 15.0 9,020 overdue Required: a) Using the balance sheet/ ageing method calculate the estimated bad debts from the above information at 30 June 2021. All workings and calculations must be shown. (4 marks)