Refrigerant-134a is compressed by a compressor

Refrigerant-134a is compressed by a compressor from the saturated vapor state at 0.14 MPa to 1.2 MPa and 70째C at a rate of 0.108 kg/s. The refrigerant is cooled at a rate of 1.10 kJ/s during compression. The power input to the compressor is
(a) 5.54 kW (d) 7.74 kW
(b) 7.33 kW (e) 8.13 kW
(c) 6.64 kW