Two international banks are integrating two financial processing software systems as a result of their merger. Preliminary analysis and interviews with all parties involved resulted in the following project information. The "systems integration team" for this project plans to define and manage this project on two levels. The following activities represent an aggregate view, and within each activity is a more detailed view with subtasks and project networks defined. All times are in weeks.

a. Draw the project network.
b. Identify the critical path.
c. What is the total project completion time and total cost?

Activity Immediate Predecessors Time B. C E, F D, G, H