Consider the following data for a project to install a new server at the Northland Pines High School:

Activity	Activity Time (days)	Immediate Predecessor(s)
A	1
B	4	A
C	6	A
D	4	B
E	1	B
F	5	B, C
G	2	D, E
H	4	F
I	5	F
J	7	G, H, I

a. Choose the correct network diagram below.

b. Calculate the critical path for this project.

The critical path is______ and the project duration is_____.

OA. B. OL B G S A OC. . D. Q F E UITM