The Following Information Relates to Paternus Company $\begin{array}{lr}\text { Sales revenue } & \$ 10,000,000 \\\text { Contribution margin } & 4,000,000 \\\text { Income } & 1,000,000\end{array}$

The following information relates to Paternus Company: $\begin{array}{lr}\text { Sales revenue } & \$ 10,000,000 \\\text { Contribution margin } & 4,000,000 \\\text { Income } & 1,000,000\end{array}$ If a manager at Paternus desired to determine the percentage impact on income of a given percentage change in sales, the manager would multiply the percentage increase/decrease in sales revenue by:

A) 0.25.
B) 0.40.
C) 2.50.
D) 4.00.
E) 10.00.