Activity	Duration	Depends on
A	4
B	2
C	5	A
D	7	A,B
E	6	B
F	1	E
G	4	D,E
H	5	F,G
I	2	F
J	3	C

a. Use the precedence table to draw an activity-on-arc network. Include the early and late times for each event. [8 ]

b. Which activities are critical [2 ]

c. Find the critical path for the network. [2 ]

d. Calculate the float of each activity [6 ]

e. What is the total float activity? [3 ]

f. Draw a Cascade (Gantt) charts to represent the project [5 ]