Phosgene, COCl₂, a Poisonous Gas, Decomposes According to the Equation $\rightleftharpoons$

Phosgene, COCl₂, a poisonous gas, decomposes according to the equation COCl₂(g) $\rightleftharpoons$ CO(g) + Cl₂(g) . Calculate K_p for this reaction if K_c = 0.083 at 900ºC.

A) 0.125
B) 8.0
C) 6.1
D) 0.16
E) 0.083