Brayton Cycle: Compressor inlet temperature $=300$ K$,$ compressor pressure

ratio $=12,$ heat addition rate $=800$ kW$,$ turbine inlet temperature $=1200$ K$,$

and mass flow rate $=2\mathrm{.}5$ kg$/$s$.$

Find the a$)$ Compressor outlet temperature, b$)$ Turbine work, c$)$ Net power output, & d$)$Thermal efficiency