The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 12%?
Choose the correct choice from the following answers.
A) 37.5 % B) 37.6 % C) 38.5 % D) 17.5 % E) 37.2 %

Rationale: "let marked price = rs . 100 . then , c . p . = rs . 64 , s . p . = rs . 88 gain % = 24 / 64 * 100 = 37.5 % . answer : a"
Answer: A