Directions (Questions 27-31): Out of the bar graphs given below, one shows the amount (in lakh Rs) invested by a company in purchasing raw materials over the years and the other shows the value (in lakh Rs) of finished goods sold by the company over the years. Study the bar graph and answer the questions based on them. Amount Invested In Raw Materials (in Lakh Rs)    (FIGURE) In which years, there is maximum percentage increase in the amount invested in raw materials as compared to the previous year (a) 2006      (b) 2007     (c) 2008      (d) 2009       (e) 2010