Comprehension Passage
Answer question based on the data : The following data shows the sales of books (in thousands) in five branches of a publishing house in two years 2014 and 2015 :
| Year ↓ | B1 | B2 | B3 | B4 | B5 |
| 2014 | 68 | 87 | 90 | 63 | 52 |
| 2015 | 72 | 73 | 100 | 77 | 78 |
Total sales of the branch B3 for both years is what percent of total sales of all the branches for both the years ?
1
25%
2
24%
3
22%
4
20%