The Rate of Formation of Oxygen in the Reaction 2N₂O₅(g) $\rightarrow$

The rate of formation of oxygen in the reaction 2N₂O₅(g) $\rightarrow$ 4NO₂(g) + O₂(g)
Is 2.28 (mol O₂) .L^-1.s^-1.What is the rate of formation of NO₂?

A) 0.57 (mol NO₂) .L^-1.s^-1
B) 9.12 (mol NO₂) .L^-1.s^-1
C) 2.28 (mol NO₂) .L^-1.s^-1
D) 1.14 (mol NO₂) .L^-1.s^-1
E) 4.56 (mol NO₂) .L^-1.s^-1