Culloden Ltd reported the following information: 2018 2017 $ $ Sales Revenue 700,000 670,000 Net Profit after tax 52,000 38,000 Total Current Assets 162,000 144,000 Total Non-current Assets 400,000 370,000 Total Current Liabilities 75,000 80,000 Total Non-current Liabilities 110,000 125,000 Required: a) Using the above information, you are required to calculate the following financial ratios to two decimal places. Provide a formula and show your workings for each ratio (7 marks). i) Profit margin for 2018 (2 marks) ii) Debt/Asset ratio for 2018 (2 marks) iii) Current Ratio for 2017 (2 marks) b) Provide a recommendation to Culloden Ltd regarding how the company could improve the profit margin in 2018. (1 mark)