Answer the questions on the basis of the information below:

An industry comprises four firms (A, B, C and D). Financial details of these firms and of the industry as a whole for a particular year are given below. Profitability of a firm is defined as profit as a percentage of sales.

Solution : 1) Profit A /Sales A $2$) Profit B /Sales B $2$) Profit C /Sales C $2$) Profit D /Sales D Which is hightest that one is the correct answer. ($A \approx \frac {1}{5}, B \approx \frac{1}{6}, C \approx \frac{1}{5}, D \approx \frac{1}{4}$).

Second answer $(1)$ [Sales A + Sales B] / (Total Sales) is $55\%$