Refrigerant 134a enters a compressor operation at steady state a saturated vapor at 0.12 MPa and exits at 1.2 MPa and 70o C at a mass flow rate of 0.108 kg/s. As the refrigerant passes through the compressor, heat transfer to the surroundings occur at a rate of 0.32 kJ/s. Determine the power input to the compressor in kW.