Consider a production line with four stations. Station $1$ can produce a unit in $8$ minutes. Station $2$ can produce a unit in $7$ minutes. Station three has two identical machines, each of which can process a unit in $12$ minutes $($each unit only needs to be processed on one of the two machines$).$ Station $4$ has two lines: one line has two continuous machines with a process time of $5$ minutes$/$unit and $6$ minutes$/$unit; the other line can produce a unit in $9$ minutes. The bottleneck is station $1($just fill in a number in this question$),$ the system process time is $$ min$/$unit$,$ the cycle time is

$$ mins. If one week has $5$ working days and each day operates $8$ hours, then the weekly capacity is $300$ unit$/$week$.$