If each activity uses one team of people draw a graph of

Question

Sven Sengler has divided a project into the following activities. What does the network for the project look like?

(a) If each activity can be reduced by up to two weeks, what is the shortest duration of the project and which activities should he reduce?

(b) Draw a Gantt chart for this project.

(c) If each activity uses one team of people, draw a graph of the manpower needed. How can the manpower be smoothed?