A pharmaceutical company received $4 million in royalties on the first $24 million in sales of generic equivalent of one of its products and then $5 million in royalties on the next $60 million in sales. By approximately what percent did the ratio of royalties to sales decrease from the first $24 million in sales to the next $60 million in sales?	Options:  A) 10%  B) 20%  C) 25%  D) 30%  E) 35%
change in ratio of royalties to sales = 4/24 -5/60 = 1/12   % decrease = (1/12)/(4/24) *100 = 20%   Answer: 20%)
<result>B</result>
A pharmaceutical company received $4 million in royalties on the first $24 million in sales of generic equivalent of one of its products and then $5 million in royalties on the next $60 million in sales. By approximately what percent did the ratio of royalties to sales decrease from the first $24 million in sales to the next $60 million in sales?