The cost of production of both items together by company $\text{E}$ is equal to the total cost of production of both items together by which of the two companies?
- $\text{C}$ and $\text{D}$
- $\text{B}$ and $\text{G}$
- $\text{A}$ and $\text{D}$
- $\text{C}$ and $\text{F}$