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Using the information shown in the table below, what is the latest start time for activity E? ACTIVITY Immediate Pred...

Using the information shown in the table below, what is the latest start time for activity E?

ACTIVITY Immediate Predecessor ACTIVITY TIME EARLIEST START EARLIEST FINISH LATEST START LATEST FINISH SLACK
A None 2 0 0 2 0
B A 1 2 3 3 4 1
C A 3 2 5 2 5 0
D B 7 3 10 4 11
E B, C 3 5 8 11
F C 5 11 5 11 0
G D ,E, F 4 11 15 11 15 0

5

6

8

7

business   Operations-Management   
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Answer #1

For any activity, the slack is the difference between the earliest finish and earliest start or the latest finish and latest start. For activity E, the earliest finish and earliest start is 8 and 5. Hence the slack is 8-5 is 3. The difference between latest finish and latest start should also be 3. Hence we have 11 - Latest Start = 3. Hence Latest start for E is 11-3 = 8.

Thus the latest start time for activity E is 8.

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