A Certain Humidifier Operates by Raising Water to the Boiling $\degree$

A certain humidifier operates by raising water to the boiling point and then evaporating it. Every minute 30 g of water at 20 $\degree$ C are added to replace the 30 g that are evaporated. The heat of fusion of water is333 kJ/kg, the heat of vaporization is 2256 kj/kg, and the specific heat is 4190 J/kg .K.How many joules of energy per minute does this humidifier require?

A) 4800
B) 18,600
C) 16,200
D) 24,600
E) 2400