A man buys an article for $100. and sells it for $115. Find the gain percent?	Pick:
A) 10%	B) 15%	C) 25%	D) 20%	E) 30%
C.P. = $100   S.P. = $115   Gain = $15   Gain% = 15/100 *100 = 25%   Answer is 15%
<result>B</result>
A man buys an article for $100. and sells it for $115. Find the gain percent?