1. Table 1 shows the activities for the data centre and network upgrading project with their precedence relationships. Jadual 1 menunjukkan aktiviti-aktiviti untuk projek menaiktaraf pusat data dan rangkaian tersebut serta hubungan pendahulunya.] Table 1 Jadual 11 Cost (RM) Maximum time (weeks) Crash cost Activity Predecessor Maximum reduction in time (weeks) per Normal Crash Normal Crash A B D E F G A, B B C, D A,C D F, E, G 5 4 10 5 7 5 4 6 2 2 6 3 6 3 2 3 25,000 30,000 45,000 30,000 30,000 20,000 35,000 35,000 34,000 40,000 81,000 38,000 37,000 26,000 44,000 65,000 3 2 4 2 1 2 2 3 week (RM) 3,000 5,000 9,000 4,000 7,000 3,000 4,500 10,000 (a) Construct the complete Activity on Network (AON) diagram by including the Earliest Start Time (EST), Latest Start Time (LST), Earliest Finish Time (EFT) and Latest Finish Time (LFT). [Bina gambar rajah lengkap Aktiviti atas Rangkaian (AON) dengan memasukkan Masa Mula Terawal (EST), Masa Mula Paling Lewat (LST), Masa Tamat Terawal (EFT) dan Masa Tamat Paling Lewat (EFT). (9 Marks/ Markah) (b) Identify the critical path and determine the project duration and its cost. [Kenalpasti laluan kritikal dan tentukan jangkamasa projek dan kosnya. (3 Marks/ Markah) (c) By giving THREE (3) examples of -1, -2 and 3 of project duration stated in Question 1 (b), compute and sketch the project cost versus duration. Dengan memberikan TIGA (3) contoh pengurangan -1, -2 dan -3 dari tempoh projek yang dinyatakan dalam Soalan 1 (b), kira dan lakarkan kos projek berbanding tempoh.] (8 Marks/ Markah) (d) Describe TWO (2) importances of the sketched graph in Question 1 (d) to the Project Manager. [Terangkan DUA(2) kepentingan graf yang dilakarkan dalam Soalan 1 (d) kepada Pengurus Projek.] (4 Marks/ Markah)