An input signal $x(t)=2+5sin(100\pi t)$  is sampled with a sampling frequency of $400$ $Hz$ and applied to the system whose transfer function is represented by

$\frac{Y(z)}{X(z)}=\frac{1}{N}(\frac{1-Z^{-N}}{1-Z^{-1}})$

where, $N$ represents the number of samples per cycle. The output $y(n)$ of the system under steady state is

1. $0$
2. $1$
3. $2$
4. $5$

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