12-12 Sid Davidson is the personnel director of Babsonand Willcount, a company that specializes in consultingand research. One of the training programsthat Sid is considering for the middle-level managersof Babson and Willcount is leadership training.Sid has listed a number of activities that must becompleted before a training program of this nature

could be conducted. The activities and immediatepredecessors appear in the following table:

Develop a network for this problem.

12-13 Sid Davidson was able to determine the activitytimes for the leadership training program. He wouldlike to determine the total project completion timeand the critical path. The activity times appear in thefollowing table (see Problem 12-12):