Study the following table and answer the question that follows.
Number of Students Enrolled for Vocational Courses (VCs) in Institutes A, B, C and D from 2016 to 2019
|
Year → Institute ↓ |
2016 | 2017 | 2018 | 2019 |
| A | 120 | 140 | 165 | 150 |
| B | 150 | 160 | 150 | 180 |
| C | 200 | 150 | 175 | 220 |
| D | 180 | 210 | 200 | 240 |
The total number of students enrolled for VCs in institutes A and C in 2017 and 2018 is what percentage less than the total number of students enrolled in institutes B and D in 2016 and 2019?
1
15.5%
2
18.5%
3
16%
4
19%