The network below represents a project being analyzed by the critical path method. Activity durations in weeks, are given in the following table and required that a the network diagram be drawn:

Activity Preceding Duration

A -- 9

B A 2

C A 12

D A 5

E B 6

F B 8

G C, F 3

H D 2

I H 8

J G, I 6

K E, J 2

a Draw the network diagram. (10 marks)

b Which activities form the critical path? (6 marks)

c How much slack exists at activities A and F? (4 marks)

d What is the duration of the critical path? (5 marks)

The network below represents a project being analyzed by the critical path method. Activity durations in weeks, are given in the following table and required that a the network diagram be drawn:

Activity Preceding Duration

A -- 9

B A 2

C A 12

D A 5

E B 6

F B 8

G C, F 3

H D 2

I H 8

J G, I 6

K E, J 2

a Draw the network diagram. (10 marks)

b Which activities form the critical path? (6 marks)

c How much slack exists at activities A and F? (4 marks)

d What is the duration of the critical path? (5 marks)