Use the information provided in QUESTION 3 to answer the following questions: 4.1 Calculate the following ratios for 2021. Express the answers to two decimal places. 4.1.1 Profit margin (2 marks) 4.1.2 Creditors payment period (2 marks) 4.1.3 Return on assets (2 marks) 4.1.4 Earnings per share (2 marks) 4.1.5 Interest coverage (2 marks) 4.1.6 Current ratio (2 marks) 4.1.7 Debt to equity (2 marks) The management of Libra Limited intends making improvements in respect of the financial performance. Provide two suggestions each that will assist the management with improving the following: 4.2 4.2.1 The profit that the company makes after paying off its cost of sales (2 marks) 4.2.2 The collections from credit sales (2 marks) 4.2.3 The rate at which inventory is sold (2 marks)