Question 5 ( 3 points) Consider a project with 10 activities A1,A2,,A10.A1 is the first activity starting from day 0 , and A8 is the last activity. Consider the dependency relations and the activity durations provided below. Q5.1. For each activity, compute the latest start time, the latest completion time, and the slack time. (You do not need to show your calculation.) Q5.2. What is the critical path of this project? How long is the shortest project duration? (You do not need to show your calculation.) Q5.3. Eight persons, P1, P2, ..., P8, are assigned to activities A1, A2,... A8, respectively. If P6 asks for leave for 4 days (from day 22 to day 26 ), can the leave application be approved without affecting the completion of the project? If A6 can also be completed by P4, can P4 be assigned to A6 without affecting the completion of the project while still completing his/her own activity? Why? If A6 can also be completed by P5, can P5 be assigned to A6 without affecting the completion of the project while still completing his/her own activity? Why? If A6 can also be completed by P7, can P7 be assigned to A6 without affecting the completion of the project while still completing his/her own activity? Why? (Please give a concise explanation for your answer.)