1. Based on the following table, wed like to create AON network. Whats the ES, LS, EF, LF, TF, and FF for the activity B?

   Activity	Predecessor	Duration (days)
   A		3
   B	A	4
   C	A	2
   D	B	5
   E	C	1
   F	C	2
   G	D, E	4
   H	F, G	3

   	a.	ES=7, LS=7, EF=12, LF=12, TF=0, FF=0
   	b.	ES=16, LS=16, EF=19, LF=19, TF=0, FF=0
   	c.	ES=5, LS=14, EF=7, LF=16, TF=9, FF=9
   	d.	ES=12, LS=12, EF=16, LF=16, TF=0, FF=0
   	e.	ES=5, LS=11, EF=6, LF=12, TF=6, FF=6
   	f.	ES=3, LS=9, EF=5, LF=11, TF=6, FF=0
   	g.	ES=0, LS=0, EF=3, LF=3, TF=0, FF=0
   	h.	ES=3, LS=3, EF=7, LF=7, TF=0, FF=0