Activity	Immediate Predecessors	Optimistic Time (a)	Most Likely Time (m)	Pessimistic Time (b)
A	-	7	9	10
B	-	8	11	14
C	A,B	4	6	11
D	B	3	4.5	6
E	A	2	3	4
F	C	1	3	5
G	E,F	5	6	10
H	D,F	2	3	4
I	G,H	1	1	1
J	I	3	4	8

NB Time is in days

Required

(a) Draw the activity network for this project. (5 marks)

(b) Determine the Expected Time of each activity. Keep to 1 decimal place. (5 marks)

(c) Using the next day method, determine the activity schedule (ES, EF, LS, and LF) as well as slack. (12 marks)

(d) Using the next day method, determine the activity schedule (ES, EF, LS, and LF) as well as slack. (12 marks)

(e) Determine and state the critical path for this project. This must be based on your work in (c) and not by inspection. (2 marks)

(f) What is the overall duration of this project in days?