Draw the Network Diagram (critical path) using the following table:

Activity	Predecessor	Duration
A		28
B		44
C		26
D		30
E	A	51
F	A	69
G	A	87
I	E	79
J	E	58
K	E	29
L	B	85
M	B	59
N	B	54
O	B	70
P	L	85
Q	L	84
S	C, G, I, M	85
T	C, G, I, M	38
U	C, G, I, M	27
V	D, J, N, P, S	82
W	D, J, N, P, S	77
X	F, K, O, Q, T, V	80