Recommended time to complete: 7 minutes Below is Tap Ltd's accounts receivable ledger account for the month ended 31 W Accounts receivable $ $ Revenue 35,000 15 July 2021 15,000 30 Cash July 2021 20 July 2021 Revenue 42,000 31 Revenue 3,500 July in 2021 advance 31 Sales July returns & 2021 allowances 350 31 Closing 18,850 July balance 2021 57.350 57.350 57.350 57.350 Required: Review the postings to this ledger account. (a) Identify two (2) errors. Explain why each identified posting is an error and how it has affected the accounts receivable cash closing balance at 31 July 2021 (3 marks); and (b) Considering all errors in Tap Ltd's accounts receivable general ledger account, calculate the correct closing balance at 31 July 2021 (1 mark). Show all calculation workings