Hello it is my financial statement analysis assessment. I need working with correct calculations.let me know about it

Editing Adobe Acrobat 1718 . 1 9 . 1 : 10 . 1 . 11 . 1 : 12 . 1 . 13 . 1 . 14. 1 15. 1 1 . 17 . 1 . 18 . Financial statement The following are extracted from the financial statements of Forum Bhd., for 2018, 2017, and 2016. 2018 2017 2016 Net sales RM233,000 RM204,000 Cost of sales (124,000) (110,000) Selling and administrative expenses (95,000) (81,500) Other income: Interest (3,700) (3,050) Other 100 1,175 Earnings before tax and extraordinary RM 10,400 RM 10,625 credit Provision for income tax (4,800) (4,740) Earnings before extraordinary credit 5,600 5,885 Extraordinary credit 1,510 RM 5,600 RM 7,395 Total assets RM202,000 RM173,000 RM161,000 Long-term debt 24,600 17,400 15,200 Common equity 123,000 116,800 112,800 Preferred stock 4,000 4,000 4,000 Preferred dividends 280 280 280 Required: (a). Compute the following ratios for 2018 and 2017: (20 marks) (2) Net profit margin (11) Total asset turnover (iii) Return on assets (iv) Return on investment I (v) Return on total equity (vi) Return on common equity (vii) Gross profit margin (b) Discuss the trend in profitability and identify specific causes for the trend