The operating temperature of a cold storage is $$-9^\circ$$C and load for the refrigeration plant is 20 kW for ambient temperature of $$24^\circ$$C. The actual COP of the plant used is one fourth that of ideal plant working between the same temperatures. The power required to drive the plant is:

A

2.5 kW

B

5 kW

C

10 kW

D

3 kW