Question 1 Examine the data below, which is extracted from the accounts of Rattlebone Automobiles over a number of years. Year (Units Sk) Sales 2005 2006 2007 2008 2009 2010 12,000 13,000 12,000 10,000 12,000 15,000 Gross profit 5,000 5,000 6,000 4,000 5,000 8,000 Net (trading) profit 2,000 2,500 1,500 (1,000) 1,000 2,500 Net capital 22,000 23.500 25,000 25,000 24,000 26,000 employed Calculate the profitability ratios for each of these years.