If the price of an article went up by 30%, then by what percent should it be brought down to bring it back to its original price?  Select the correct option:
A) 25 %
B) 23 1 / 13 %
C) 16 7 / 3 %
D) 16 6 / 3 %
E) 16 2 / 3 %

Rationale: "let the price of the article be rs . 100 . 30 % of 100 = 30 . new price = 100 + 30 = rs . 130 required percentage = ( 130 - 100 ) / 130 * 100 = 30 / 130 * 100 = 23 1 / 13 % answer : b"
Answer: B