The K_p for the Reaction Below Is 1

The K_p for the reaction below is 1.49 × 10⁸ at 100 °C: CO (g) + Cl₂ (g) -COCl₂ (g)
In an equilibrium mixture of the three gases, P_CO = P_Cl2 = 8.60 × 10^{- 4} atm. The partial pressure of the product, phosgene (COCl₂) , is atm.

A) 1.28 × 10⁵
B) 1.72 × 10¹¹
C) 1.10 × 10²
D) 4.96 × 10^{- 15}
E) 2.01 × 10¹⁴