$1)$ Create two network diagrams based on the immediate

predecessor charts. Note the critical path in each.

$2)$ Conduct a forward and backward pass for each network.

Calculate float and use the format pictured in the corner.

Activity Immediate Predecessor Duration

A

B

C

D

E

F

none

A

none

none

D

B$,$ C$,$ E

$4$

$2$

$1$

$3$

$6$

$3$

Activity Immediate Predecessor Duration

A

B

C

D

E

F

G

none

none

A

B

B

D

E

$6$

$3$

$9$

$5$

$4$

$2$