Immediate Predecessors

Activity

Time

P$1$

P$2$

A

$1$

$$

$$

B

$4$

A

$$

C

$3$

A

$$

D

$7$

A

$$

E

$6$

B

$$

F

$2$

C

D

G

$7$

E

F

H

$9$

D

$$

I

$4$

G

H