What Is the Overall Standard Free-Energy Change for the Following $\rightarrow$

Multiple Choice

What is the overall standard free-energy change for the following two reactions?
A + B $\rightarrow$ 2C $\Delta$ G
$\begin{array} { l } \circ\\\text { rxn }\end{array}$

= $\Delta$ G₁
C + D $\rightarrow$ E $\Delta$ G
$\begin{array} { l } \circ\\\text { rxn }\end{array}$

= $\Delta$ G₂

A) ( $\Delta$ G₁ + $\Delta$ G₂)
B) ( $\Delta$ G₁ + 2 $\Delta$ G₂)
C) ( $\Delta$ G₂ - $\Delta$ G₁)
D) (2 $\Delta$ G₂ - $\Delta$ G₁)
E) ( $\Delta$ G₁ $\Delta$ G₂²)