Below is Tap Ltd's cash ledger account for the month ended 31 July 2021 Cash $ $ 1.800 1 July Bank loan 240.000 10 Supplies 2021 July 2021 700 15 Prepaid July insurance 2021 12,000 30 Accounts July payable 2021 80,000 20 Electricity 18,000 31 Sales July expense July revenue 2021 2021 31 Revenue July in 2021 advance 4,500 31 Closing 192,000 July balance 2021 274,500 274.500 Required: Review the postings to this ledger account. (a) Identify three (3) errors. Explain why each identified posting is an error and how it has affected the cash closing balance at 31 July 2021 (5 marks); and (b) Considering all errors in Tap Ltd's cash general ledger account, calculate the correct closing balance at 31 July 2021 (1 mark), Show all calculation workings