Air is entering one room at $20C$ and $90\%$ relative humidity. Air leaves the room at $50C$ and relative humidity as $50\%.$ Show the inlet and outlet points on the given Psychometry chart. Attach your Psychometry chart with your answer script. Find

$($a$)$ Change in absolute humidity between the inlet and outlet air.

$($b$)$ Dew point temperature of the inlet and outlet air.

$($c$)$ Adiabatic saturation temperature of the inlet and outlet air.

$($d$)$ Change in enthalpy between the inlet and outlet air.

$(8)$