The operating temperature of a cold storage is $$-4^\circ C$$. The heat leakage from the surrounding is 30 kW for the ambient temperature of $$35^\circ C$$. The actual C.O.P. of refrigeration plant used is one-fifth that of ideal plant working between the same temperatures. The power required to drive the plant is:

A

22.86 kW

B

19.45 kW

C

20.56 kW

D

21.74 kW