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 2 days None B 5 days A C 1 day B D 2 days A E 3 days B & D F 12 days E & C Draw a network diagram. Identify the critical path, earliest start and finish and slack for each task. Using MS Excel, produce a Gantt chart for this project. What would happen if a new estimate for task D increases its expected duration from two days to six days? Would the project take longer? Would anything else change?