Note:

a=7 , b=7 , c=5 , d=0 ,e=2 f=0

3. The Vox Cinema is installing a new system to enhance the quality of movies shown. Several things must be done to make sure the system works properly before all the movies are put into the new system. The following table provides information about this project. How long will it take to install the system? What is the critical path? (20 Marks) IMMEDIATE PREDECESSOR ACTIVITY A TIME(WEEKS) 3+ a 4 + b B 6 A B D 2 E 5 2 F A D, E F, G G 4 H 3 + d + e