Problem 3 (25): Consider the set of activities, duration (in days), and predecessors for a project given below. Activities A B C D E F G H Duration 3 9 6 5 2 6 7 Predecessors A. B B. D C E. F G F a) Develop a network diagram representation for the project. b) Determine the critical path. c) Determine the float time for all activities that are not on the critical path