Question: A window air conditioner that consumes 1 kW of electricity when running and has a coefficient of performance of 4 is placed in the middle

A window air conditioner that consumes 1 kW of electricity when running and has a coefficient of performance of 4 is placed in the middle of a room, and is plugged in. The rate of cooling or heating this air conditioner will provide to the air in the room when running is
(a) 4 kJ/s, cooling
(b) 1 kJ/s, cooling
(c) 0.25 kJ/s, heating
(d) 1 kJ/s, heating
(e) 4 kJ/s, heating

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