Refrigerant $134$a is compressed from $2$ bar, saturated vapor, to $10$ bar, $90$C$,$ in a compressor operating at steady state. The mass flow rate of refrigerant entering the compressor is $7$ kg$/$min$,$ and the power input is $10\mathrm{.}85$ kW$.$ Kinetic and potential energy effects can be neglected.

$($a$)$ Plot the process on p$-$v and T$-$s diagrams