1. A project has the following characteristic needs. Use the information to answer the questions that follow:

Activity	Preceding Activity	Normal Duration (Weeks)	Crash Duration (Weeks)	Normal Cost (Ksh, 000)	Crash Cost (Ksh000)
A	None	4	2	10	11
B	A	3	2	6	9
C	A	2	1	4	6
D	B	5	3	14	18
E	B,C	1	1	9	9
F	C	3	2	7	8
G	E,F	4	2	13	25
H	D,E	4	1	11	18
I	H,G	6	5	20	29

1. Draw the network diagram, determine the Critical Path and the project duration. (4 Marks). (Hint. use 4 dummy activities)
2. To shorten the Project duration by three weeks, which activities should be shortened and by how many weeks (3 Marks)
3. Determine the cost of the Crashed Project (3 Marks)