Given the following information about a small project, Task Duration Immediate Estimates Predecessors A 2 days None B 5 days A C 8 days B D 7 days A E 3 days B&D F 3 days E &C a. Draw a network diagram. b. Identify the critical path, earliest start and finish and slack for each task. c. Using MS Excel, produce a Gantt chart for this project. d. What would happen if a new estimate for task D increases its expected duration from seven days to fourteen days? Would the project take longer? Would anything else change? Due Day 4 - See grading rubrics)