The Standard Enthalpy Change for the Combustion of 1 Mole $\to$

The standard enthalpy change for the combustion of 1 mole of propane is -2043.0 kJ.C₃H₈(g) + 5 O₂(g) $\to$ 3 CO₂(g) + 4 H₂O(g)
Calculate $\Delta$ _fH ^$\circ$ for propane based on the following standard molar enthalpies of formation.

A) -1407.7 kJ/mol-rxn
B) +104.7 kJ/mol-rxn
C) -104.7 kJ/mol-rxn
D) -4190.7 kJ/mol-rxn
E) +1407.7 kJ/mol-rxn