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.

 

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.

Hint: Only the tasks in CP can be crashed to shorten the project duration. Consider the tasks with more days with less cost to crash. 

Question 2
Total normal project cost:	$______________

Question 3

Tasks that should be crashed and additional cost: 

Task	Weeks to cut	Cost	C.P. after crash

 

Question 4
Total crashed project cost:	$_____________

 

Question 5: Your MPP file.
 

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