Development of a new deluxe version of a particular software product is being considered. The activities necessary for the completion of this project are listed in the table below along with their costs and completion times in weeks Activity Normal Time Normal Cost 2,000 2,200 500 2,300 900 3,000 1,400 Immediate Predecessor 8 B, D C, E 3 Draw the Network diagram in the space below. What is the critical path and the project's expected completion time? If activity B takes an additional 3 weeks, what is impact on the project? If activity E takes an additional 1 week, what is impact on the project? a. b. c. d.