how to do the Financial Accounting question, need clear step by step pls.

Question Rama Krishna, a sole trader, has given you the following trial balance for the year ended 31 December 2011. Cr RM Dr RM 5,400 2,330 4.700 92,690 201,400 5,050 329,300 Carriage outwards Carriage inwards Returns Inventory as at 1 January 2011 Purchases Sales Salaries and wages Rent Insurance Motor expenses Office expenses Water and electricity General expenses Motor vehicles Office equipment Fixtures and fittings Trade receivable Trade payable Cash at bank Drawings Capital 53,760 28,700 1.540 1.320 5.300 1.890 1.560 130,000 45.800 32,000 47.280 29,420 15,400 21,100 328,400 692,170 692,170 Additional information: (1) Inventory as at 31 December 2011 was RM110,500. (2) Depreciation of motor vehicle is based on 20% per annum on cost. Office equipment is depreciated at 15% per annum using the reducing balance method. Fixtures and fittings are depreciated at 10% per annum on cost. (3) Accrued wages were RM3.200 and prepaid general expenses were RM580. (4) Bad debts to be written off during the year were RM1.280. A provision for doubtful debts of 5% is to be made. Required: (a) Prepare an income statement for the year ended 31 December 2011. (13 marks) (b) Prepare the Statement of Financial Position (Balance Sheet) as at 31 December 2011. (7 marks) (Total: 20 marks)