b. What is the estimated completion time for this project? Table 1: Project Description and Task Time Estimates (in Weeks) Tas Optimistic Likely Pessimistic Predecessor k (a) (m) (b) A 1 2 3 B 6 8 10 3 6 9 1 3 5 4 3 4 2 7 4 4 10 3 BUDEF C D E F GH G H | J K L M 267NW|NW|N|NT 3 3 1 9 3 6452 11 6 7 11 3 None A A A B C D D B,F,G B,F,G E I,J,H K,L The completion target is 24 weeks for this project. However, a preliminary assessment indicates that some of the project tasks would need to be shortened to meet this desired project deadline. A set of task-crashing estimates has been prepared and is shown in Table 2.