The table given below shows the number of shirts of different companies in a shop.
| Company | Number of shirts |
| C1 | 27 |
| C2 | 33 |
| C3 | 26 |
| C4 | 23 |
| C5 | 43 |
| C6 | 41 |
What is the ratio of number of shirts of company C1 to the total number of shirts of company C2 and C3?
1
27 ∶ 61
2
61 ∶ 27
3
59 ∶ 27
4
27 ∶ 59