SECTION B Ansikteny . TWO quastious from this Section,:gving abissiers to 2 desimal places where appropriate Question Ahre Agricdhral Development Bank (ADB) is planning to installatiew Domputerised accounts system. Bank management has determined the activities zequired to redmplete the project; the precedence relatiohips of the activities, the obal-ambosashkimisand (ke-normal-and wash costs as given in Table 1. Table 1: ADB compritetisation activities and data Immediate Activity Time (weeks) Activity Cost:FCH) Activity Predecessor: Normal Crasli Normal :- Crash A: . 16 8 ::2,0007 4,400 . 18 -9 1,000 1,800 8 6 500 700 D A 5 4 5007: 1,3007 :) B 4 2 1,500 3,000 F -B 6 4 .:800 :1;600 "G C 10. 7 3,000 4,500 DB 10:9 5,000 +8,000 Lex Constinct the project network diagram. (5 marks) (b) Develop the aestivity schedule for the network. f9 marks :) to) Identify the critical path. (2 marks) (a) What is the project completion't me? (2 marks) C) Crask the adwork until any, two paths become critical. (5-mrits) (1). Hovimuch extra will it cost the project owner? (2 marks): 15