If General Foundry will save $2000 for each week that the earliest completion time is reduced, which single option, if any, should Lester choose? And why? (10 points) 2. The following table represents a plan for a project: Time Estimates (days) Optimistic Most likely Pessimistic Job No. Predecessor Job(s) A 1 2 B - 2 3 C A 4 5 D B 8 9 E C, D 2 5 F D 4 5 G E 1 2 a. Construct the appropriate network diagram. (10 points) 10 346186 63 b. What is the critical path? (10 points) c. What is the expected completion time for the project and what is the variance of project completion time? (20 points) e. Is the probability that the project will take less than 20 days to complete larger than 50% or smaller than 50%? And why? (10 points)