The minimum project completion time has been computed with the calculations of earliest start, earliest finish, latest start and latest finish for each activity with normal activity times for each activity on the project network copied below:

What is the project completion time for completing this project with each activity taking the normal time.

What is the total cost required for completing this project with each activity taking the normal time.

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What is the incremental cost to reduce project activity completion for activity G$?$

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What is the additional cost to reduce project completion time by one week?

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What is the additional cost to reduce project completion time by $5$ weeks?

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