Directions (Questions 21-26): The bar graph given below gives the data of the production of paper (in lakh tonnes) by three different companies `X ,\ Y` and `Z` over last 5 years. Study the graph carefully and answer the questions that follow. Production of Paper (in lakh tons) By Companies `X ,\ Y` and `Z` over the Years (FIGURE) What is the difference between the production of Company `Z` in 2008 and Company `Y` in 2006? (a) 2 lakh tons (b) 20 lakh tons (c) 20 thousand tons (d) 200 lakh tons (e) None of these