$480$ units. This assembly line will operate $760$ minutes per day. The following table contains information on this product's task times and precedence relationships:

TASK TASK TIME

$($SECONDS$)$ IMMEDIATE

PREDECESSOR

A $50$

B $40$ A

C $20$ A

D $25$ C

E $30$ B

F $70$ C

G $50$ D$-$F

H $10$ E$-$G