Following data pertains to a construction project.

Activity	A B	C	D	E	F	G
Predecessor	-	A	-	A	C	D, E	B, C
Duration	4	2	2	2	8	6	4
Resource / Day	3	4	2	5	2	1	2

Workout the resources requirements on day to day basis. When all activities are scheduled to start at their:

1) Early dates,

2) Late dates.

Which of both schedules would you prefer?

Activity	Predecessor	Duration	EST	EFT	LST	LFT	Resource/ day
A	-	4	0	4	4	8	3
B	A	2	4	6	10	12	4
C	-	2	0	2	0	2	2
D	A	2	4	6	8	10	5
E	C	8	2	10	2	10	2
F …