Sumit and Sanket invested in the ratio of 5 : 6 and the ratio of the interest rates offered to them were in the ratio of 6 : 11. After two years, the simple interest earned by Sanket was 3600 more than Sumit. Find the interest earned by Sumit.
1
Rs. 6000
2
Rs. 3600
3
Rs. 3000
4
Rs. 2000
5
Cannot be determined