The unadjusted trial balance of Helena's Hire Cars is shown below (ignore GST). Helena's Hire Cars Trial Balance As at 30 June 2019 . Debit Credit Account Cash at bank 18,140 Accounts receivable 21,340 Office supplies 640 Prepaid advertising 3,880 Hire cars 93,600 Accumulated Depreciation - hire cars 39,400 Accounts payable 10,800 Unearned hire fees 2,260 Helena, Capital 68,340 Helena, Drawings 20,600 Hire fees revenue 98,700 Wages expense Fuel and oil expense 50,620 10,680 219,500 219,500 Additional information a. Petrol purchased on credit for $680 and used during the last week in June has not been paid for or recorded. b. A physical count showed office supplies totalling $340 were still on hand at 30 June. C. Depreciation for 1 year on the hire cars is $12,400. d. Prepaid advertising has a balance of $600 at the end of the month. The balance in the Unearned Hire Fees account includes $1,800 received in May for hire services completed in June. Required: Prepare a 10-column worksheet for the year ended 30 June 2019