Which of the following is correct statement about PERT and CPM technique?
A. Both the techniques use similar technology and same purpose.
B. Both the techniques were developed dependently of each other during 2005.
C. PERT was developed and used in conjunction with planning and designing of the polaris submarine system.
D. CPM was developed by the Du Pon't Company.
E. The use of PERT and CPM techniques is made in both planning and controlling of the project.
Choose the correct answer from the options given below:
1
A, B, C only
2
B, D, E only
3
A, C, E only
4
A, C, D, E only