The information for a project is given in the Table below (time in weeks): Activity Immediate predecessors A B D E F G H I J A B B B . C, D, E, F E, F G, H I Activity time (t) 3 4 4 1 1 3 2 1 2 1 a) Draw a network for this project b) Determine the critical path c) Determine the earliest and latest activity times d) Determine slack time for each activity