A 0 E G B Ꭰ F H I J L K M
Ann Archibald has ambition to be on the County Governing Board. Her staff has determined the breakdown of tasks needed to secure the election. The following network depicts the breakdown.
( see atttached picture )
Her staff also has estimated the normal and crash times and costs for tasks involved in the breakdown. The information is summarized below. The campaign starts on 4/1/2022.
|
Task |
Time Estimates (Weeks) |
Cost Estimates ($) |
||
|
Normal |
Crash |
Normal |
Crash |
|
|
A1 |
6 |
4 |
5,000 |
10,000 |
|
B2 |
3 |
3 |
4,000 |
4,000 |
|
C |
10 |
8 |
4,000 |
7,000 |
|
D |
4 |
2 |
1,000 |
2,000 |
|
E |
2 |
1 |
1,000 |
2,000 |
|
F |
3 |
1 |
4,000 |
7,600 |
|
G |
5 |
4 |
7,000 |
12,000 |
|
H |
7 |
5 |
8,000 |
14,000 |
|
I |
2 |
2 |
1,200 |
1,200 |
|
J |
4 |
3 |
5,000 |
5,800 |
|
K |
8 |
6 |
13,000 |
15,000 |
|
L |
5 |
5 |
6,000 |
6,000 |
|
M |
4 |
4 |
2,500 |
2,500 |
1 Task A can be crashed by 2 weeks at an additional cost of $5000 ($2,500/week).
2 Task B cannot be crashed.
Ann has to campaign for 35 weeks. Determine the total cost needed to complete the project with Ann’s time constraint.
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