A Perfectly Reversible Heat Pump with a Coefficient of Performance $\degree$

Multiple Choice

A perfectly reversible heat pump with a coefficient of performance of 14 supplies energy to a building as heat to maintain its temperature at 27 $\degree$ C. If the pump motor does work at the rate of 1 kW, at what rate does the pump supply energy to the building?

A) 15 kW
B) 3.85 kW
C) 1.35 kW
D) 1.07 kW
E) 1.02 kW