Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times. Activity A B Time (weeks) 7 6 Time Immediate Predecessor(s) Activity (weeks) 4 6 F Immediate Predecessor(s) B B

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
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Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time
and the critical path should also be determined. Here are the activity times:
Dave's earliest start (ES) and earliest finish (EF) are:
Dave's latest start (LS) and latest finish (LF) are:
Activity
A
B
C
D
Time
(weeks)
7
6
2
2
Immediate
Predecessor(s)
A
A
Activity
A
C
D
F
G
H
Activity
H
Time
Activity (weeks)
E
4
F
6
G
10
H
6
ES
0
0
7
7
6
6
10
12
LS
14
EF
7
9
1228
10
20
LF
Immediate
Predecessor(s)
B
B
C, E
D, F
27
Transcribed Image Text:Dave Fletcher was able to determine the activity times for constructing his laser scanning machine. Fletcher would like to determine ES, EF, LS, LF, and slack for each activity. The total project completion time and the critical path should also be determined. Here are the activity times: Dave's earliest start (ES) and earliest finish (EF) are: Dave's latest start (LS) and latest finish (LF) are: Activity A B C D Time (weeks) 7 6 2 2 Immediate Predecessor(s) A A Activity A C D F G H Activity H Time Activity (weeks) E 4 F 6 G 10 H 6 ES 0 0 7 7 6 6 10 12 LS 14 EF 7 9 1228 10 20 LF Immediate Predecessor(s) B B C, E D, F 27
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