Problem 3.21 Question Help Coleman Rien Control Devices in produces custom buit relay devices for aito makars. The most recent projod understan by Rich requires 14 diferent cives Roche managers would the to determine the total project completion time in days) and that data in mediate Predecessors Activity H Timetams Activity a A 7 B 1 3 4 C 7 7 7 D 5 B 12 E 3 10 17 F 1 4 7 6 Times a 4 4 7 3 2 3 9 13 1 6 6 1 2 5 3 12 Immediate Predecessors) E OH ! 1 J LM BC D 0 X L M N The expected completion time of the around your response to ne dem