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Question 3 (25 marks) Answer both parts of this question. a) Consider a project made up of fourteen (14) activities with the following precedence relations and durations Activity Preceding Activity Duration (in days) 3 A B 6 8 A 5 10 B B D E F G H 1 B 9 5 11 8 E, DF G H 1, K 5 7 10 K L M N 8 K M 6 i) Draw a network diagram for the project. 16 marks) ii) Determine the critical path(s) and the minimum completion time of the project. (8 marks) m) Find the total float, free float, and independent float of all the activities in the network. (3 marks) b) Consider the following data (8 marks) Month 1 2 3 Sales (RM million) 36.4 34.8 39.1 4 5 42.6 41.5 44,0 6 Plot all the data above onto one entire 2mm graph paper. Hence, by using the Centroid Method with MA(3), forecast the sales in the 7th month. Page 2 of 3