A tubular heat exchanger with a length of 4.5 m is used for cooling oil at 200°C using water available at 20°C. The mass flow rate and specific heat of oil are 10,000 kg/h and 1.9 kJ/kg K, respectively, while the mass flow rate and specific heat of water are 3,000 kg/h and 4.187 kJ/kg K, respectively. The inner and outer diameters of the tubes are 0.82 m and 1.65 m, respectively. When the flow pattern is co-current, the outlet temperature of water is measured as 120ºC. Calculate the outlet temperature of oil and the resulting overall heat transfer coefficient.