id,company,salary
1,A,2341
2,A,341
3,A,15
4,A,15314
5,A,451
6,A,513
7,B,15
8,B,13
9,B,1154
10,B,1345
11,B,1221
12,B,234
13,C,2345
14,C,2645
15,C,2645
16,C,2652
17,C,65