$($b$)$ A transistor switch is shown in Fig. $2-2.$ The transistor assumed active region Beta$($DC$)=50$

$($i$)$ Determine the transistor collector saturation current.

$(3$ marks$)$

$($ii$)$ Determine the output voltage for both states of the base switch.

$(8$ marks$)$

$($iii$)$ Determine the collector resistor power when the base switch is closed.

$(3$ marks$)$

Fig. $2-2.$ Transistor switch.