This question is based on the network diagram shown below. Fill up all the forward pass and backward pass time values in days, as well as the total float(s) as per the alphabets used to designate them: Durations given; complete forward and backward pass & total float Answers for sub-questions 1-19, and the 20th T. What is the total project completion time? 0 4 A ACTIVITY I D C B E 4 F ACTIVITY II I H G J6 K ACTIVITY III N M L 02 P ACTIVITY IV R Q S