Consider the following data for a project to install a new server at the Northland Pines High School: Immediate Predecessor(s) Activity Time (days) 3 3 A A Activity A B D E F 5 B 3 1 B , D, E F F G 7 2 2 5 5 H 1 J G, H, 1 a. Choose the correct network diagram below. . OA Q S OD o B - S SA b. Calculate the critical path for this project The critical path is and the project duration is days. (Enter your response as a whole number.) c. How much slack is in each of the activities G, H, and 1? Activity Activity Time (days) On critical path? Slack (days) G 2 H 2 5