1 Project Management Use the following information to answer the questions below. Index Normal Duration (days) Predecessors A 9 B 10 A C 10 A D 9 B;C E 17 B F 28 D G 13 C H 14 D;E I 8 H Part 1 Project Management -- Manual a) Draw a neatly labeled A-o-N diagram for this project, and clearly identify the following: i. ES time for each task ii. LS time for each task iii. Critical path(s) iv. Minimum project length if no task is crashed Part 2 Project Management -- Using Solver b) Create an Excel Solver model to find out the ES schedule, the LS schedule and the critical path for the project management problem shown in the table above. c) What is the slack for each activity