Nitrosyl Chloride (NOCl)decomposes at Elevated Temperatures According to the Equation

Nitrosyl chloride (NOCl) decomposes at elevated temperatures according to the equation 2NOCl(g) 2NO(g) + Cl₂(g) .What is K_P for this reaction at 227°C?
For this reaction ΔH° = 81.2 kJ/mol and ΔS° = 128 J/K • mol.(R = 8.314 J/K • mol)

A) 1.60 × 10^-2
B) 2.10 × 10^-7
C) 62.8
D) 4.90 × 10⁶
E) 3.20 × 10⁹