for the open loop transfer function.

G$($s$)=1/$s$(0\mathrm{.}5$s$+1)$X$0\mathrm{.}2$s$+1)$

$($i$)$ Write the closed loop transfer function C$($s$)/$ R$($s$)$

$($ii$)$ Find damping factor, natural frequency of the system

$($ii$)$ Deternine rise time, peak time and peak overshoot of the system

$($iv$)$ Calculate steady state error due to unit step