Observe the given bar graph and answer the question.
The bar graph shows the sales of computers (in thousands) from five different shops S1,S2, S3, S4 and S5 for the years 2017 and 2018.
Which of the following statements is true?
1
Total combined Sales for all shops in 2018 is higher than in 2017
2
Four shops recorded higher sales in 2018 as compared to 2017
3
Total combined Sales for all shops in 2018 is the same as that in 2017
4
Total combined Sales for all shops in 2018 is lower than in 2017