D] Prepare a trial balance as at 31 December 2019 using a worksheet. Complete the worksheet using the following additional information. 1. Ofce supplies at 31 December total $900 2. Insurance cover expires on 31 September 20157I 3. Equipment has a useful life of 4 years 4. Commission revenue of $39 600 has accrued during December 5. The Warehouse has a useful life of 40 years and residual value of $20,160 6. Inventory at 31 December is $28 300 7\". Interest is accrued on the loan at the rate of 5% pa