BAsic mechanical regeration cycle using r$-1234$yf$,$ needs to heat room to $34$C when outside temp is $11$C for heat transfer the condenser needs to operate at $10$C above room temp and evaporator $5$ below ambient at its peak the system needs $14$kW of heating

A$)$p$-$H diagram

B$)$Cefficient of performance for heat pump

C$)$ the mass flow rate

D$)$ the power required to be supplied to the compressor to run the system