For an infiltration rate of 1.2 air changes per hour (ACH), determine sensible, latent, and total infiltration

Question:

For an infiltration rate of 1.2 air changes per hour (ACH), determine sensible, latent, and total infiltration heat load of a building at sea level, in kW, that is 20 m long, 13 m wide, and 3 m high when the outdoor air is at 32oC and 35 percent relative humidity. The building is maintained at 24oC and 55 percent relative humidity at all times.