Activity Immediate Predecessor$($s$)$ Time $($days$)$

A $-2$

B $-5$

C $-2$

D B $10$

E A$,$ D $4$

F C $5$

G E$,$ F $8$Roger Ginde is developing a program in supply chain management certification for managers. Ginde has listed a number of activities that must be completed before a training program of this nature could be conducted. The$$ activities, immediate$$ predecessors, and times appear in the accompanying$$ table:

$$

Activity

Immediate$$ Predecessor$($s$)$

Time$($days$)$

A

minus

$2$

B

minus

$5$

C

minus

$2$

D

B

$10$

E

$$A$,$ D

$4$

F

C

$5$

G

$$E$,$ F

$8$