Refer to the 2013 annual report of JB Hi-Fi Limited on its website, ww.jbhifi.com.au, and answer the following questions: 1. List the subsidiary companies in the JB Hi-Fi Group. 2. What is the value of the group's sales revenue for the current and previous years? What has been the percentage change in sales revenue for the current year? 3. What is the group's final profit (after income tax) for the current and previous years? What has been the percentage change in profit (after income tax) for the current year? 4. Compare the percentage change in (2) with the percentage change in (3). What information does this comparison provide? 5. What is the total value of inventories on hand for both current and previous years? What is the percentage change in inventory levels? How does this compare with the percentage change in sales revenue calculated in question (2)? Comment on any differences. 6. Calculate profit margin and inventory turnover, two profitability ratios for 2013.