Consider the Reaction: NH₃ (G)+ HCl (G)→ NH₄Cl (S)

Consider the reaction: NH₃ (g) + HCl (g) → NH₄Cl (s)
Given the following table of thermodynamic data, determine the temperature (in °C) above which the reaction is nonspontaneous.

A) This reaction is spontaneous at all temperatures.
B) 618.1
C) 432.8
D) 345.0
E) 1235