The pie chart given below shows the percentage of employees in various departments of a company having a total workforce of 7200.
Suppose the company plans to hire 324 more employees in the upcoming recruitment drive, of which 25% will be for the IT department, what would be the percentage increase in the number of employees in the IT department after the recruitment drive?
1
3.75%
2
9%
3
12.5%
4
5%