A reduction of 30% in the price of apples would enable a man to obtain 54 more for Rs.30, what is reduced price per dozen?	Choose the correct choice from the following answers:
A) 1 B) 2 C) 6 D) 7 E) 10

Rationale: "b 30 * ( 30 / 100 ) = 9 - - - 54 ? - - - 12 = > rs . 2"
Answer: B