Inside condition: 24°C DBT and 60% RH

Outside condition: 38˚C DBT and 28°C WBT

Sensible heat gain: 45 KW

Latent heat gain: 11.5 KW

Infiltrated air: 1200 m$^{3}$/hr.

Coil ADP: 10˚C

60% of total air is recirculated and mixed with conditioned air after cooling coil. Determine i) The condition of air before entering the hall (ii) Refrigeration load.