Instructions: Study the graph of the following times and answer the question based on it?The sale of books (in thousand) has been given in two consecutive years of 2010 and 2011 of five branches of a publishing company.Find the ratio of total sales in the two years of branch C2 and the ratio of total sales in both years of branch C4

• A. 145 : 164
• B. 163 : 144
• C. 164 : 145
• D. 144 : 163