Study the given graph and answer the question that follows.

What is the ratio of the total daily sales of newspaper P in cities A and C to the total daily sales of newspaper Q in cities B and D?

7 : 8

Sale of P in A & C   :    Sale of Q in B & D

    ( 640 + 480 )      :       ( 600 + 680 )

          1120            :               1280

            7               :                  8