Consider the bar chart and answer questions based on it.
The bar chart represents sales of four companies C1, C2, C3 and C4 (in millions) for the year 2012, 2013 and 2014.
The combined sales of C2 in 2012 and 2014 is how much more than that of C3 for the same years?
C2 in 2012 and 2014 = 150 + 155 = 305
C3 in 2012 and 2014 = 125 + 135 = 260
Required percent =Â $$\frac{45\times\ 100}{260}=17.30$$%.
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