00:01
As per the question the answer is a is attached with c, c is attached with f, then f is attached with h and then b, a and b are d and then f, e, g, d is connected and e is connected and g is connected with h.
00:47
So a table form is formed as the activity, duration, duration, es, ef, ls, lf, slack, slack and critical, critical.
01:25
So activities a, b, c, d, e, f, slack.
01:39
So the a is 3, 4, 6 and es is 0, the b, es is 0, c, es is 3, ef is 3, 4 and 9 and ls is 6, 0, 9, lf is 9, 4, 15 and slack is 6, 0, 6 and the critical is only for b...