Question no 3: Construct a precedence network based on the activity descriptions below. Show all your work. Label activities in the network by their activity letters Remove all redundant dependencies and arrange activities in proper sequence steps. (10 marks) Activities H, R2, TI start the project. Activity T2 can start when Activities H, El and S are completed. Activity El also depends on Activity R2. Activity X follows Activity H and precedes Activity L. Activity E is preceded by Activities T2 and PI. The predecessors to Activity G are Activities L, T2 and P1. The successors to Activity Tl are Activities El. S. W and D2. Activity PI cannot begin until Activity W is finished. Activity P2 and F follow Activities W and D2, and precede Activities E and RI. Activity 02 depends on T2 and PI, and precedes Activity L