10. Shown below is a network showing the sequence of activities that must be performed to complete a contract. The estimated duration for each task, without expediting, is indicated on the network. Because of the revenue generation ability of this project, the customer has offered an incentive contract that will pay a $600 bonus for each day that the project is completed ahead of 162 days. The table at the top of page 662 indicates the cost to expedite each activity by 1, 2, or 3 days.

a. Find the critical path and the normal duration.

b. Determine which activities should be expedited and by what amount they should be expedited so that the net bonus minus expediting costs will be maximized.

c. How much net bonus will be earned?

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B, 20 F, 18 A, 17 C, 23 G, 16 1,22 M, 25 0,23 D, 25 H, 241 K, 20 L, 21 E, 26 1,28 N, 27