The given line graph shows the production (in tonnes) and the sales (in tonnes) of a company. How much more is the production in 2015 and 2017 taken together than the sales in 2016 and 2018 taken together (in tonnes)?

425

Production of company in 20115 and 2017 = 600 + 750 = 1350

Sale of company in 2016 and 2018 = 525 + 400 = 925

Difference b/w Production of company in 20115 and 2017 and Sale of company in 2016 and 2018

= 1350 - 925

= 425