Q3. JB Hi-Fi is a leading Australian retailer of consumer electronics and home entertainment goods. Use the following data for 2018 and 2019 to forecast revenue, cost of sales, end-of-year inventory for 2020. Assume that JB Hi-Fi's revenue growth rate, gross profit margin and inventory turnover will be the same as 2019. FIGURE 6.10 JB Hi-Fi summary data, 2018-19 JB Hi-Fi ($m) Revenue Cost of sales Ending inventory 2018 2019 6 854 7 095 5 384 891 5 568 886 Q4. The following ratios have been calculated for Alex Stubbs Pty Ltd, an entity specialising in imported exotic perfumes. Current ratio Acid test ratio Days inventory on hand Days debtors outstanding Profit margin 2012 2013 2.1:1 2.6:1 1:8 2.2:1 122 127 30 46 10% 12.2% (a) What do these ratios indicate about the entity's liquidity, management efficiency and profitability? (b) What other information would be useful in analysing Alex's business?