Operations Management

5. Consider the following project.

Task	Immediate Predecessors	Optimistic	Most probable	Pessimistic	Crash Time	Normal Cost	Crash Cost
A	-	4	6	8	4	1000	1900
B	-	6	8	16	7	1000	1800
C	A, B	2	4	6	2	1500	2700
D	C	8	10	24	8	2000	3200
E	C	7	10	13	7	5000	8000
F	E	4	6	8	4	3000	4100
G	C	4	6	20	5	8000	10250
H	D, F, G	4	6	8	4	5000	6400
I	D, F	4	6	14	4	10000	12400
J	H	3	4	5	3	4000	4400
K	I, J	2	4	6	3	5000	5500

1. Draw a project network
2. Find the critical path and expected project completion time.
3. Assuming that management desire a 37 weeks project completion time. What activity should be crashed?
4. Activity schedule table after crashing.
5. Find total project cost after crashing.