The mark up between "normal plan" price and "premium plan" price is 30 percent of the "normal plan" price. The markup is what percent of the "premium plan" price ?
(markup = difference between normal and premium price plans)  Choose the correct option:	A) 8%	B) 20%	C) 33 1/3%	D) 45%	E) 56 2/3%
A = price for normal plan   B = price for premium plan   MP = 0.5 A   B = A + 0.5 A = 1.5 A   hence Markup = B-A = 0.5/1.5 B = 1/3 B. Hence MP is 33.33% of B   Answer 33 1/3%
<result>C</result>
The mark up between "normal plan" price and "premium plan" price is 30 percent of the "normal plan" price. The markup is what percent of the "premium plan" price ?
(markup = difference between normal and premium price plans)