Activity Node	Activity name	Duration	ES	EF	LS	LF	Slack / float
			0				= LS-EF
1-2	A	8	0	8	12	20	12
1-3	B	5	0	5	2	7	2
1-4	C	13	0	13	0	13	0
3-5	D	12	5	17	7	19	2
4-5	E	6	13	19	13	19	0
2-6	F	6	8	14	20	26	12
5-6	G	7	19	26	19	26	0
5-7	H	9	19	28	23	32	4
6-8	I	8	26	34	26	34	0
7-8	J	2	28	30	32	34	4
8-9	K	6	34	40	34	40	0