A well-insulated valve throttles steam from 8 MPa and 350 °C (h_{1} = 2988.1 kJ/kg) to 2 MPa. At 2 MPa the superheated-steam enthalpy is 2903.3 kJ/kg at 250 °C and 3024.2 kJ/kg at 300 °C. Determine the final temperature of the steam (answer in °C).