The Decomposition of NO and NO₂ to the Elements Proceeds $\rightarrow$

The decomposition of NO and NO₂ to the elements proceeds via the following two reactions. Calculate the enthalpy change for the reaction
2NO(g) + O₂(g) $\rightarrow$ 2NO₂(g)

A) 244 kJ
B) -244 kJ
C) -114 kJ
D) -293 kJ
E) none of the above