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Water flowing at the rate of $1$ kg/s through a system is heated using an electric heater such that the specific enthalpy of the water increases by $2.50 \: kJ/kg$ and the specific entropy increases by $0.007 \: kJ/kg \cdot K$. The power input to the electric heater is $2.50 \: kW$. There is no other work or heat interaction between the system and the surroundings. Assuming an ambient temperature of $300 \: K$, the irreversibility rate of the system is ______ $kW$ (round off to two decimal places).

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