At 1500 °C the System, 2NO(g) N₂(g)+ O₂(g), Was

At 1500 °C the system, 2NO(g) N₂(g) + O₂(g) , was allowed to come to equilibrium. The equilibrium concentrations were: NO(g) = 0.00035 M, N₂(g) = 0.040 M, and O₂(g) = 0.040 M. What is the value of K_c for the system at this temperature?

A) 3.3 × 10⁴
B) 7.7 × 10^-5
C) 2.2 × 10^-1
D) 4.6
E) 1.3 × 10⁴