When a certain shoe store reduces the price of its best-selling style of shoe by 10 percent, the weekly sales of this style increase by 40 percent. Which of the following best describes the resulting change in the store's weekly revenue from sales of this style of shoe?	Choose the correct choice from the following answers:
A) Revenue decreases by 10%	B) Revenue decreases by 26%	C) There is no change in revenue	D) Revenue increases by 26%	E) Revenue increases by 10%
Old price = 10, old sales = 10 --&gt; old revenue = 100;   New price = 9, new sales = 14 --&gt; new revenue = 126.   Revenue increased by 26%.   Answer: Revenue increases by 26%.
<result>D</result>
When a certain shoe store reduces the price of its best-selling style of shoe by 10 percent, the weekly sales of this style increase by 40 percent. Which of the following best describes the resulting change in the store's weekly revenue from sales of this style of shoe?