Give the following project:

Task	Immediate Predecessors	Time	Earliest Start	Earliest Finish	Latest Start	Latest Finish	Slack
A		2	0	2	0	2
B	A	3	2	5	5	8
C	A	4	2	6	7	11
D	A	6	2	8	2	8
E	B,C,D	11
F	B,D	14
G	B,C,D	10
H	E,F,G	2	22	24	22	24

a. Draw the network

b. Complete the table and identify the critical path.

c. What is the impact on project duration of the following changes in task times?

Task Change	Duration Change
F increases by 3
E increases by 4
F decreases 1
F decreases by 4