draw the network project diagram Task Duration Predecessors

A

$3$

$$ None

B

$4$

$$ A

C

$2$

$$ A

D

$5$

$$ B

E

$1$

$$ C

F

$2$

$$ C

G

$4$

$$ D

$,$

$$E

H

$3$

$$ F

$,$

$$G