on a CPM network has predecessors N and R, and has successor S M has duration 5 N has a late finish 18, while R has late finish of 20 Which of the following is true A N is a critical activity B The late start time of S is 23 C The late start time of S is 25 D M is critical and has zero slack E M has no slack but is not critical

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Question: on a CPM network has predecessors N and R, and has successor S. M has duration 5. N has a late finish 18, while R

on a CPM network has predecessors N and R, and has successor S. M has duration 5. N has a late finish 18, while R has late finish of 20. Which of the following is true?

	A.	N is a critical activity.
	B.	The late start time of S is 23.
	C.	The late start time of S is 25.
	D.	M is critical and has zero slack.
	E.	M has no slack but is not critical.

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