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

Activity	Activity Time (weeks)	On criticalpath?	Slack (weeks)
A	4	No Yes	nothing
B	8	No Yes	nothing
C	8	No Yes	nothing
D	14	Yes No	nothing
E	10	No Yes	nothing
F	5	Yes No	nothing
G	7	No Yes	nothing
H	7	Yes No	nothing

A project for improving a billing process has the following precedence relationships and activity times: Immediate Predecessor(s) Activity A B Activity Time (weeks) 4 8 8 14 D E F B, C B 10 5 D G 7 E F G H 7 a. Choose the correct network diagram below. A. OB D D IS 14 14 B OC OD A project for improving a billing process has the following precedence relationships and activity times: Immediate Predecessor(s) Activity A B Activity Time (weeks) 4 8 8 14 D E F B, C B 10 5 D G 7 E F G H 7 a. Choose the correct network diagram below. A. OB D D IS 14 14 B OC OD