Q5. CPM A factory owner is going to construct a sales building with a connecting power plant and fire tank(?). The activities, activity description, and estimated durations and pre-requirements are given in the following table. Activity Activity Activity Activity Description Duration Pre-Requirement Make a contra for Land Install Fine Tank 8 A B A 5 D + Install Power Plant Erect Buildings Install Fire Control Tower Connect Power Plant to the system F B + 5 + H Update Software for Power Plant Contact Per Shell Link Fire Tank with Power Plant Install Power Controller 2 F.G 3 3 GH 4 Use project network and answer to the question A, B, C, D. QUESTION 24 Q5-(A) What is the project time (total duration) of the given network? O A 21 8.22 OC. 19 OD 20 QUESTION 25 Q5 (B) What is the critical path of the given network? OA A-C-G- OBAB-E OCA-C-F-1 ODA-D-H-J QUESTION 26 Q5-(C) What is the slack of activity F? ORO O4 3 002 QUESTION 27 05-(D) What is the slack of activity H? CA 5 03 04 02