Activity R on a CPM network has predecessors M and N, and has successor S. R has duration 5. N's late finish is 18, while M's is 20. S's late start is 14. Which of the following is definitely true?
A) R is critical and has zero slack.
B) R has no slack but is not critical.
C) The set of times cannot all be possible.
D) N is a critical activity.
E) S is a critical activity.
C
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The subject property has three bedrooms and a fireplace. Comparable a has 3 bedrooms and no fireplace, it is valued at $170,000. Comparable be has four bedrooms and a fireplace, it is valued at $185,000. A bedroom is valued at $20,000 and a fireplace is valued at $5,000. If you're using only two comparables, and appropriate range of values for the subject property would be:
A. $165,000 - $175,000 B. $175,000 - $205,000 C. $165,000 - $205,000 D. $180,000 - $190,000
How does the case of alternate optimal solutions, as a special case in linear programming, compare to the two other special cases of infeasibility and unboundedness?
What will be an ideal response?