Paper instructions:

2. (20 points) A project for upgrading a point-of-sale system at a local business has following precedence relationships and activity times. The tasks, durations (in days), costs, and predecessor relationships are shown as follows: Activity Immediate Predecessor Activity Time A 9 B А 2 с A 12 D А 5 E B 6 F B 8 G CF 3 H D 2 1 H 8 G! 6 MGMT 3106: Management Science and Operations Management a Draw the network for this project. If you drew on a paper, scan and insert into the docx or .pdf file. b. Create the activity network and calculate ES, EF, LS, and LF times. C. Calculate the slack for each activity d. What are the critical path activities? a. Draw the network for this project. If you drew on a paper, scan and insert into the .docxor .pdf file. b. Create the activity network and calculate ES, EF, LS, and LF times. c. Calculate the slack for each activity. d. What are the critical path activities? e. What is the project completion time? 3. [20 points) A landscaping upgrade project consists of following activities. Times are given in weeks. Activity Immediate Predecessor Duration А None 4 B None 3 с None 10 D B,C 7 E D 1 F E 1 G AF 5 a. Draw the network diagram and find the ES, EF, LS, LF, and stack for each activity. b. Construct an early-start-date Gantt chart for the project. C. As a project manager, where would you focus your attention, given your analysis?

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