Given the activity table (Table of Dependencies) below for a certain project:

Activity	Predecessor	Duration (Weeks)
A	-	1
B	A	1
C	A	2
D	A	3
E	B	2
F	C	2
G	E	3
H	D,F,G	2

4.1. Draw a network diagrams without durations as well as the one with durations. (5 Marks)

4.2. Calculate the project duration (using the forward pass), calculate the critical path (using the backward pass) and calculate the total float (slack) for the project activities. (5 Marks) 4.3. Based on the answers obtained in question 4.1. & 4.2.; draw a Gantt chart. (5 Marks)