Note: Study the following graph and answer the following question:Sales of books in 2010 and 2011 in ﬁve branches of one publishing company (in thousandths) are shown.What is the ratio of total sales for both years of C2 branch to the total sales of C4 branch for both the years?

Note: Study the following graph and answer the following question:Sale

1.	Note: Study the following graph and answer the following question:Sales of books in 2010 and 2011 in ﬁve branches of one publishing company (in thousandths) are shown.What is the ratio of total sales for both years of C2 branch to the total sales of C4 branch for both the years?
A.	141 : 165
B.	146 : 165
C.	145 : 165
D.	143 : 165
Answer» C. 145 : 165