While scheduling a project by C.P.M.
(A) A project is divided into various activities
(B) Required time for each activity is established
(C) Net work is drawn by connecting the activities and the events
(D) All the above
(A) A project is divided into various activities
(B) Required time for each activity is established
(C) Net work is drawn by connecting the activities and the events
(D) All the above