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(4) Perform a project management analysis for the data given below to determine ES, EF, LS, LF, and slack for each activity, the total project completion time, and the critical path. Activity Time (weeks) Predecessors Activity Time (weeks) Predecessors A 5 E 3 B B 4 F 5 B 2 A G 9 C, E D 1 A H 6 D, F. (a) Draw a network with t, ES, EF, LS, and LF (follow the same format as Figure 11.5 on p.394). (b) Complete the following table (similar in format to Table 11.3 on p.396). Activity Time (weeks) ES EF LS LF A B Slack Critical? D E F G H (c) Identify the critical path(s): (d) Based on your analysis, the project completion time is: weeks and the least critical activity is