The cost price of an article is 56% of the marked price. Calculate the gain percent after allowing a discount of 13%.
Choose the correct choice from the following options
A) 23.4 %  B) 44.5 %  C) 55.3 %  D) 57.4 %  E) none

Rationale: "sol . let marked price = rs . 100 . then , c . p . = rs . 56 . s . p = rs . 87 . â ˆ ´ gain % = [ 31 / 56 * 100 ] % = 55.3 % . answer c"
Answer: C