# WBS,severity,frequency
# concept
2,1,64
2,2,81
2,3,168
2,4,0
2,5,0
# requreiments
3,1.291
3,2,311
3,3,430
3,4,0
3,5,0
# design
4,1,11
4,2,16
4,3,96
4,4,0
4,5,0
# implement
5,1,51
5,2,78 
5,3,332
5,4,0
5,5,0
# test
6,1,15
6,2,27
6,3,77
6,4,0
6,5,0