A man buys an article for $100. and sells it for $110. Find the gain percent?	Choose the correct choice from the following:	A) 10 %	B) 15 %	C) 25 %	D) 20 %	E) 30 %

Rationale: "c . p . = $ 100 s . p . = $ 110 gain = $ 10 gain % = 10 / 100 * 100 = 10 % answer is a"
Answer: A