A shopkeeper sold an article offering a discount of 5% and earned a profit of 22.55%. What would have been the percentage of profit earned if no discount was offered? Choose the correct choice from the following: A) 60 % B) 29 % C) 39 % D) 56 % E) 73 %

Rationale: "let c . p . be rs . 100 . then , s . p . = rs . 122.55 let marked price be rs . x . then , 95 / 100 x = 122.55 x = 12255 / 95 = rs . 129 now , s . p . = rs . 129 , c . p . = rs . 100 profit % = 29 % . answer : b"
Answer: B