Each student should complete the following problem and submit a single file in Word or Excel with all requirements in either format. Given the following information about a small project, Task Duration Immediate Estimates Predecessors A None B A C B 2 days 5 days 8 days 7 days 3 days 3 days D A E B&D F E&C 1. Draw a network diagram. 2. Identify the critical path, earliest start and finish and slack for each task. 3. Using MS Excel, produce a Gantt chart for this project. 4. 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