Detailed Instructions: You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
Problem:Question: A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is:

 Option A: Rs. 12

 Option B: Rs. 15

 Option C: Rs. 18

 Option D: Rs. 21

 Option E: Rs. 27
Solution:
Option B