A nuclear power plant generates 750 MW of power. The heat engine uses a nuclear reactor operating at 315°C as the source of heat. A river is availabl (at~20°C) which has a volumetric flow rate of 165 m³/s. If you use the river as a heat sink, estimate the temperature rise in the river at the point where the heat is dumped. Assume the actual efficiency of the plant is 60% of the Carnot efficiency.