Consider the following data for a project to install a new server at the Northland Pines High School: Activity Immediate Predecessor(s) Activity Time (days) 1 A B 3 A C 5 D B 4 1 E F 5 B BC DE G 3 H 6 F 3 F G, H, I 7 a. Choose the correct network diagram below. OA. OB F SA @l@ S an Oc. OD. E b. Calculate the critical path for this project The critical path is Vand the project duration is days. (Enter your response as a whole number.) . How much slack is in each of the activities G, H, and I? Activity Time (days) On critical Slack Activity path? (days) G 3 H 6 T 3