Please Answer A to C with simple explanations

Instruction: 1. Construct both AON diagram for the following data. a) Identify each paths and the time for each path b) Conduct CPM analysis on AON diagram c) Compute for ES, EF, LS, LF, Slack time and identify the critical path ACTIVITY IMMEDIATE PREDECESSORS A B :||||||| D E F G A,B,C,E A,B,C,D, TIME ESTIMATES (days) 2 3 6 12 15 6 7 9 4 12 18 7 9 10 8 14 6 D E E B,F,G,H,1 G H J.KL FM IM K,L,M,N,O J L M N P