2. Given the following network project: Activity Estimated Immediate time (mos.) predecessor A 10 B 12 C 15 D 18 A E 7 C 9 B, C a. Develop a network diagram. b. How long will it take to complete the project? c. Which activities are on the critical path? d. How much stack is in each activity? e. What is the impact on the critical time if the time for Activity A is increased to 14 months? 2. Give an example of a national business, political, or military leader who made a good decision that resulted in a bad outcome, or a bad decision that resulted in a good outcome