Problem 8 Consider following project with times to complete activities in months. Activity Duration Depends on A 16 B9- C 18 A.B 17 110 D F 12 CE (a) Draw the project network using the AOA method. Compute ET and LT for each node. What is the critical path and when will the project be completed? (10 marks) (b) Complete the table below for activities A,B,C,D. (4 marks) TF Arc act|Dur.ESLS EF LF 1 ETO ELTG)-T, EET()+T, ELTO) = LTG)-ET()-T, FET()-ET(1)-T, (c) Draw the project network using the AON method, filling the ES, EF, LS, LF for the activities. (8 marks)