A heat pump operates on a Carnot heat pump cycle with a COP of $8\mathrm{.}2.$ It keeps a space at $27\mathrm{.}9C$ by

consuming $2\mathrm{.}7kW$ of power. Determine the temperature of the reservoir from which the heat is

absorbed$.$

Enter a numerical value in units of degrees Celsius, correct to two decimal places.