A project has been set up to build a PC lab. The table below provides the details of the tasks involved in delivering this project. Use this information to answer the questions set out beneath the table. Tip: construct a network diagram to assist you with this question.
Task Precedence Duration (days)
A Collect user requirements 40
B Make purchase list A 16
C Plan lab layout A 19
D Purchase PCs B, C 37
E Purchase furniture C 28
F Cabling and trunking C 20
G Assemble PCs D 21
H Install furniture E 10
I Arrange PCs on desks F, G, H 3
J Check cables F 8
K Power-up and test PCs I, J 5
L Handover K 1
End (milestone) L 0
Question 5a: What is duration of the project?
Question 5b: What is the latest start time of activity E?
Question 5c: What is the latest start time of activity F?
Question 5d: What is the float of activity E?
Question 5e: What is the float of activity F?
Question 5f: What is the float of activity G?