3. Consider Figure 1 Network Diagram. All duration estimates are in days. Start CSC2332/June 2022 A 10 D 5 3 H 4 b. Calculate the total float for the critical path. B c. List the successor activities of Activity D. 12 E 7 Path 1: Start -> ABC-> End {duration: 31 days.} Path 2: Start ->D -> E->F> End {duration: 18 days.} Path 3: Start -> D-> B> C-> End {duration: 26 days.} Path 4: Start -> G->H>I -> End {duration: 13 days.} Path 5: Start >G -> E->F-> End {duration: 16 days.} a. Determine the critical path for this project. d. Calculate the Late Finish (LF) of Activity D. 9 Figure 1 Network Diagram (Precedence Diagram Method) F 6 I 6 The network diagram in Figure 1 has five paths; the path and their durations are as follows: End Page 4 of 8 (2 marks) (2 marks) (2 marks)