Based on this data:

Data for AON analysis problems:

A network consists of the activities in the following list. Times are given in weeks.

Activity	Preceding	Time
A	--	8
B	--	3
C	A	7
D	A, B	3
E	C	4
F	D	9

Note: draw the network diagram based on activity on node and answer test1 questions with ID AON

Respond the following:

1. ID AON What is the slack of activity C?

2. ID AON What is the slack of activity B?

3. ID AON What is project completion time?

D AON What is the LF of activity D?