A project for improving a billing process has the following precedence relationships and activity times:

Activity	Activity Time (weeks)	Immediate Predecessor(s)
A	5
B	10
C	7	A
D	14	B, C
E	9	B
F	4	D
G	4	E
H	9	F, G

Part 2

a. Choose the correct network diagram below.

A.

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x y graph

B.

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x y graph

C.

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x y graph

D.

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x y graph

Part 3

b. Calculate the slack for each activity. Which activities are on the critical path?

Activity	Activity Time (weeks)	On critical path?	Slack (weeks)
A	5	No Yes	enter your response here
B	10	No Yes	enter your response here
C	7	No Yes	enter your response here
D	14	Yes No	enter your response here
E	9	Yes No	enter your response here
F	4	Yes No	enter your response here
G	4	No Yes	enter your response here
H	9	No Yes	enter your response here