Find ΔH for BaCO₃ (S)→ BaO (S)+ CO₂ (G)

Find ΔH for BaCO₃ (s) → BaO (s) + CO₂ (g)
Given 2 Ba (s) + O₂ (g) → 2 BaO (s) ΔH = -1107.0 kJ
Ba (s) + CO₂ (g) + 1/2 O₂ (g) → BaCO₃ (g) ΔH = -822.5 kJ

A) -1929.5 kJ
B) -1376.0 kJ
C) -284.5 kJ
D) 269.0 kJ