154. When a man returns to his wall-sealed house on a summer day, he finds that the house is

at 32°C. He returns on the air conditioner which cools the entire house to 20°C in 15 minutes. If

COP is 2.5, determine the power drawn by the air conditioner. Assume the entire mass within

the house is 800 kg of air for which cv = 0.72 kJ/kg-K, cp = 1.0 kJ/kg-K.

A. 1.072 kW B. 2.072 kW

C. 3.072 kW D. 4.072 kW