The following represents a project that should be scheduled using cpm: immediate predecessors times (days) activity a m b a — 1 4 7 b — 2 3 7 c a 3 5 7 d a 5 6 10 e b 1 2 6 f c, d 1 3 6 g d, e 1 3 14 h f, g 2 5 14 b. what is the critical path? b-e-g-h a-d-g-h a-c-f-h a-d-f-h c. what is the expected project completion time? (do not round intermediate calculations. round your answer to 3 decimal places.)