Consider the following data for a project to install a new server at the Northland Pines High School: Activity Activity Time (days) Immediate Predecessor(s) A 1 3 A 6 A 3 B 1 B C ITM uw 6 3 B, C D, E F 4 5 F 6 G, H, I a. Choose the correct network diagram below. O A. B. D 3 FL G B 3 sm) WU 3 F 6 po 6 5 6 O c. OD. D 3 D 3 B 3 G 3 El B 3 E 1 FI 1 LY S A H 4 6 4 oc 6 6 6 6 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 ivities G, H, and I? A-B-D-G-J A-C-F-I-J Activity Activity Time (days) On critical path? Slack (days) A-B-F-I-J G 3 A-B-F-H-J H 4 A-B-E-G-J 1 5 A-C-F-H-J Oilte