The drinking-water cooler in the figure chills water continuously; flow rate, temperatures, heat leak and the COP relation are given on the figure. Take c_{water} = 4.187 kJ/kg·K, ρ_{water} = 1000 kg/m^{3} and 1 TR = 3.5 kW. Determine (a) the total refrigeration load (answer in TR), (b) the actual COP and (c) the compressor power required (answer in kW).