The following bar graph shows the amounts (in ₹ lakhs) invested by a company in purchasing raw materials and the values (in ₹ lakhs) of finished goods sold by the company, from 2012 to 2017.

The difference between the average amount invested in purchasing raw materials during 2012 to 2017 and the average value of sales of finished goods during the same period 2012 to 2017 is:

A

₹85 lakhs

B

₹86 lakhs

C

₹80 lakhs

D

₹90 lakhs