Comprehension Passage
Direction : Study the following information carefully and answer accordingly.
The following pie chart shows the percentage of the number of employees in six different companies A, B, C, D, E and F and the total number of employees is 30000.

What is the difference between the number of employees in company D to the number of employees in company C?
1
1200
2
1700
3
1600
4
1800
5
None of these