question assignment 1, 2

1. The following table shows data on the activities required for a factory to assemble a new rice planting machine. Activities Immediate Days to Complete Predecess are A _ A A B,C B D,E F IO'I'IITIUOUJ AMHm-lE-wO'J-lh (a) Develop a project network for this problem. (b) Determine the ES, EF, LS, LF, and slack time for each activity. Also determine the total project completion time and the critical path(s). 2. A marketing firm is developing a new web-based media campaign for a client. The following table describes the relationships among the activities that need to be completed. [MIMEDIATE ACTIVITY PREDECESSORS TIME (WEEKS) A 4 B 6 C A 3 D A 4 E B, C 8 F B 7 G D, E 2 H F l (a) Develop a project network for this problem. (b) Determine the ES, EF, LS, LF, and slack time for each activity. Also determine the total project completion time and the critical path(s)