solve all parts a,b, and c in details please

Question-3 (30): A heat engine receives heat from a source at 1500 K at a rate of 700 kJ/s, and it rejects the waste heat to a medium at 320 K. The measured power output of the heat engine is 320 kW, and the environment temperature is 25C. Determine: (a) The reversible power (b) The rate of irreversibility (c) The second-law efficiency of this heat engine