Definition: 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.
Input: Question: If the cost price is 81% of selling price then what is the profit percentage.

 Option A: 22.45

 Option B: 23.45

 Option C: 32.45

 Option D: 23.54

 Option E: 23.55

Option B