Study the given bar graphs and answer the question that follows. The bar graphs represent the amount invested in raw materials (in ₹ crore) and the sale of the products, by a textile company in the years 2007— 2012. The X-axis represents the years. The Y-axis represents the amount invested in raw materials (in ₹ crore) in figure 1 and sale of products in figure 2, respectively.
Figure 1 Figure 2
In which year was there a maximum percentage increase in the sales of products as compared to the previous year?
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