a)Draw the activity network and Gantt chart for the following and specify the critical path. Consider the start date as 1/12/2020. Task Duration (days) Dependences Effort (person- days) 15 T1 10 T2 8 15 T3 20 15 T1 (M1) T4 10 5 5 T5 10 T2, T4 (M3) T1 T2 (M4) T6 10 5 T7 25 20 T8 75 25 T9 10 15 T1 (M1) T4 (M2) T3, T6 (M5 T7 T8 (M6) T9 (M7) T10 20 15 T11 10 10 T12 20 10 T10, T11 (M8) b) For the Airbus flight control system architecture, conceptualize and represent reliability engineering fundamentals with a neat diagram a)Draw the activity network and Gantt chart for the following and specify the critical path. Consider the start date as 1/12/2020. Task Duration (days) Dependences Effort (person- days) 15 T1 10 T2 8 15 T3 20 15 T1 (M1) T4 10 5 5 T5 10 T2, T4 (M3) T1 T2 (M4) T6 10 5 T7 25 20 T8 75 25 T9 10 15 T1 (M1) T4 (M2) T3, T6 (M5 T7 T8 (M6) T9 (M7) T10 20 15 T11 10 10 T12 20 10 T10, T11 (M8) b) For the Airbus flight control system architecture, conceptualize and represent reliability engineering fundamentals with a neat diagram