software project management

Derive the earliest completion time (EF), latest completion time (LF), and slack for each of the following task (begin at time = 0). Write your answer in Table 2. [10 marks]

Table 2

Activity	Preceding Event	Duration	Early Finish	Late Finish	Slack	Critical Path (Y/N)
A	-	5
B	A	15
C	A	5
D	A	10
E	C, D	15
F	B, E	5
G	F	5