a) Below are selected ratios for Umar Bhd. Use this information to answer the following questions. 17/14 30303 f. Calculate return on net operating assets for all three years. Identify reasons for any changes. (10 marks) ii. Calculate retum on equity for all three years. Comment on changes. (5 marks) b) i. Why is liquidity important in analysis of financial statement? Explain the importance from the point of view for more than one user. (5 marks) ii. Discuss the importance of sales in assesing a company current financial condition and the liquidity of its current assets