Study the following table and answer the question given below it. The following table represents the different type of expenditure in various years.
| Year | Item of Expenditure | ||||
| Salary | Fuel & Transport | Bonus | Interest on loans | Taxes | |
| 2014 | 288 | 98 | 3.00 | 23.4 | 83 |
| 2015 | 342 | 112 | 2.52 | 32.5 | 108 |
| 2016 | 324 | 101 | 3.84 | 41.6 | 74 |
| 2017 | 336 | 133 | 3.68 | 36.4 | 88 |
| 2018 | 420 | 142 | 3.96 | 49.4 | 98 |
Find the ratio between the expenditure on salary in the year 2014 to that in the year 2018.
1
15 : 17
2
17 : 20
3
20 : 27
4
24 : 35