The Runabout Boat Company is considering the purchase of several units of an expensive new machine for its production facilities around the country. Before committing to this purchase, Runabout wants to set up a test facility to test the machine and make sure it lives up to its manufacturer’s claims. The machine’s manufacturer has agreed to loan Runabout a machine for this purpose. The activities required to carry out this testing are summarized in the following table.

a. Draw the CPM network for this problem.
b. Create a spreadsheet to calculate and summarize the earliest and latest start and finish times, the slack for each activity, and the critical activities.
c. What is the earliest time that the project can be completed?

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Predecessor Activities Description Required Prep test facility Complete paperwork Transport machine Hire repairmen Hire operators Train repairmen Install machine Irain operators Testing None A, B A, B C, D 15 E, G F H 12