Below is a network diagram that represents a university revamp project. The project manager analyzes this project using the critical path (CP) method. Activity durations are indicated on the network. 2 YORKVILLE WWW.YORKVILLU.CA (a) Which is the CP? (b) Calculate the duration of the CP. (c) Calculate the amount of slack time at activity H. (d) If activity I were delayed by ten time-units, what would be the impact on the project duration