A small accounting company needs to update and extend its existing time recording system. You are the project manager and have drawn up an outline project plan for the main project activities, as follows. You are required to prepare Program Evaluation Review Technique (PERT) and Critical Path Method (CPM). Also show the slack(s) if any. Do this on paper

Activity	Time Duration	Dependency
A	6	--
B	2	--
C	2	--
D	3	--
E	8	A
F	5	B, E
G	9	C, F, D
H	3	--
I	2	P, H
J	3	B, E
K	10	G
L	1	D
M	10	I, J, K
N	3	L, Q
O	5	M, N
P	4	A
Q	5	G