1) A network consists of the following list. Times are given in weeks.

Activity	Preceding	Duration
A	--	9
B	A	2
C	A	12
D	A	5
E	B	6
F	B	8
G	C,F	3
H	D	2
I	H	8
J	G, I	6
K	E, J	2

Questions:

a. Draw the network diagram

b. Which activities form the critical path?

c. How much slack exists at activities A and F?

d. What is the duration of the critical path?