A pharmaceutical company received $4 million in royalties on the first $22 million in sales of generic equivalent of one of its products and then $8 million in royalties on the next $88 million in sales. By approximately what percent did the ratio of royalties to sales decrease from the first $22 million in sales to the next $92 million in sales?	Select.
A) 20% B) 25% C) 30% D) 45% E) 50%
change in ratio of royalties to sales = 4/22 -8/88 = 1/11   % decrease = (1/11)/(4/22) *100= 
<gadget id="calculator">(1/11)/(4/22) *100</gadget>
<output>50</output>
50% (approx)   Answer: 50%)
<result>E</result>
A pharmaceutical company received $4 million in royalties on the first $22 million in sales of generic equivalent of one of its products and then $8 million in royalties on the next $88 million in sales. By approximately what percent did the ratio of royalties to sales decrease from the first $22 million in sales to the next $92 million in sales?