An auditorium is designed to seat 4500 people. The ventilation rate is 60 CFM/person of outside air. The outside temperature is 0°F dry-bulb and the outside pressure is 14.6 psia. Air leaves the auditorium at 70°F dry-bulb. There is no recirculation. The furnace has a capacity of 1,250,000 BTU/hr. At what temperature should the air enter the auditorium? (The sensible heat generated by each person seated in the auditorium is 225 BTU/hr; the specific heat of air is 0.24 BTU/lbm°F)