The Specific Heat of Steam Is 2,020 J/kg K in the Mks

The specific heat of steam is 2,020 J/kg K in the mks system of units.What is the value of the specific heat of steam in cal/gm $^{\circ}$ C?

A) 1.000
B) 0.8765
C) 0.6812
D) 0.4826
E) 0.2563