A four$-$cylinder $2\mathrm{.}5$ L spark$-$ignited engine is mounted on adyno and operated at a speed of N $=3000$ rpm$.$ The enginehas a compression ratio of $10$:$1$ and mass air$-$fuel ratio of$15$:$1.$ The inlet air manifold conditions are $80$ kPa and $313$K$.$The engine produces a torque of $160$ Nm and has a volumetric efficiency of $0\mathrm{.}82.$a$)$ What is the brake power W$,($kW$)?$b$)$ What is the brake specific fuel consumption bsfc $($g$/$kWh$)?$