Study the graph and answer the question.

Percentage Distribution of Total Expenditure of a Company in 2012.

What is the ratio of the total expenditure on salary and interest on loans to the total expenditure on infrastructure and transport?

15 : 13

Expenditure on salary and interest on loan  :   Expenditure on infrastructure and transport

       ( 20 + 17.5 )   :    ( 20 + 12.5 )

               37.5       :        32.5

                15         :         13