A project for improving a billing process has the following precedence relationships and activity times: Activity Activity Time (weeks) Immediate Predecessor(s) A B C A D B, C E B F D G E H F, G Part 2 a. Choose the correct network diagram below. A. S F A 5 B 10 D 11 E 11 C 6 F 5 H 7 G 8 x y graph B. S F A 5 B 10 C 6 D 11 G 8 F 5 E 11 H 7 x y graph C. S F A 5 B 10 C 6 D 11 G 8 F 5 E 11 H 7 x y graph D. S F A 5 B 10 C 6 E 11 D 11 F 5 G 8 H 7 x y graph Part 3 b. Calculate the slack for each activity. Which activities are on the critical path? Activity Activity Time (weeks) On critical path? Slack (weeks) A Yes Yes No enter your response here B No Yes enter your response here C No Yes enter your response here D Yes No enter your response here E No Yes enter your response here F Yes No enter your response here G No Yes enter your response here H No Yes enter your response here