onsider a two$-$task process, consisting of Task $1$: Assembly, followed by Task $2$: Packing. $$ It takes $6$ minutes to assemble a unit at a Task $1$ workstation, and $5$ minutes to pack a unit at a Task $2$ workstation. $$ There are $5$ identical workstations for assembly $($i$.$e$.,5$ units can be assembled simultaneously$)$ and $4$ identical workstations for Packing $($i$.$e$.,4$ units can be packed simultaneously$).$ If the demand rate for this facility is

$6$

$0$

$60/$

hr

$.$

$$What is the flow rate of the process? Show the logical reasoning.