An air conditioning unit that consumes 5.2 kW of electricity when running and has a coefficient of performance of 3.6 is placed in the middle of a room, such that it absorbs heat from the room and rejects heat to the same room. The rate of cooling or heating this air conditioner will provide to the air in the room when running is

(a) 5.20 kW, cooling       (b)18.72 kW, cooling     (c) 5.20 kW, heating

 (d) 23.92 kW, heating          (e) 42.64 kW, heating