A 16 mm X 16 mm computer chip has a 16 pin fins each 2 mm in diameter and 15 mm long.The fins are aligned in array at a pitch of 4 mm. A fan blow 25 degrees C air through the array creating a heat transfer coefficient of 110W/m^2K. if the temperature of the chip cannot exceed 75 degree C. what is the allowable power rating of the chip?