What is the ratio of the companies having more demand then production to those having more production than demand?

What is the ratio of the companies having more demand then production to those having more production than demand? Correct Answer 1 : 2

$$\eqalign{& \text{Required ratio} \cr& = \frac{\left(\text{A + D}\right)}{\left(\text{B, C, E and F}\right)} \cr& = \frac{2}{4} \cr& = \frac{1}{2} \cr& = 1:2 \cr} $$
Bissoy MCQ

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