reate a Network Diagram $($Activity on Node$)$ schedule using the following $$

Activity Duration $($Days$)$ Predecessor

A $4-$

B $3$ A

C $4$ A

D $2$ B$,$ C

E $4$ C

F $2$ D

G $4$ D$,$ E

H $1$ E

I $6$ F$,$ G$,$ H

$5)(5$ Points$)$ Determine the total and free float of all activities in problem #$4$ above