1. Assume you are a software project manager and that youve been asked to develop a network diagram for the project. (1)Draw a network diagram for this project and calculate the earliest start time/ latest start time for each activity. (2)Identify the critical path from the network diagram.

Activity precedence chart

No	Activities	Duration	Previous activities
A	Preparation	1	-----
B	Design of the automated warehouse	3	A
C	Construction of the warehouse building	10	A
D	Development of the control system	8	B
E	Provision of the mechanical devices	4	B
F	Component test of control system parts affecting the warehouse building	6	C, D
G	Component test of control system parts affecting the mechanical devices	10	D, E
H	Installation of control system parts	4	F
I	Integration test, system test and introduction	5	F, G, H

(1) Network Diagram (5 points)

(2) Earliest Start/ Earliest Finish/ Slack time (3 points)

Activities	Earliest Start	Latest Start	Slack time
A
B
C
D
E
F
G
H
I

(3) Critical Path(s) (2points)