An uneducated retailer marks all his goods at 60% above the cost price and thinking that he will still make 25% profit, offers a discount of 25% on the marked price. What is his actual profit on the sales?	Choose the correct option
A) 20 %  B) 13.50 %  C) 14 %  D) 14.50 %  E) none

Rationale: "sol . let c . p . = rs . 100 . then , marked price = rs . 160 . s . p . = 75 % of rs . 160 = rs . 120 . ∴ gain % = 20 % . answer a"
Answer: A