For revision - Project Mgmt

Consider the table below:

Activities	Predecessor	Optimistic	Most Likely	Pessimistic
A		2	4	12
B		9	9	9
C	A	10	12	26
D	A	8	9	10
E	B, C	10	15	20
F	D	9	9	9
G	D, E, F	3	3.5	7

a). Calculate the duration for each activity using the information from the table above.

b). Prepare a schedule network diagram, for the above project showing the early start, early finish, late start, late finish and slack.