To Raise the Temperature of a 2

To raise the temperature of a 2.0-kg piece of metal from 20^o to 100^oC, 61.8 kJ of heat is added. What is the specific heat of this metal?

A) 0.39 kJ/kg · K
B) 0.31 kJ/kg · K
C) 1.6 kJ/kg · K
D) 1.2 kJ/kg · K
E) 0.77 kJ/kg · K