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.

Example Input: Question: A certain car's price decreased by 2.5% (from the original price) each year from 1996 to 2002, during that time the owner of the car invested in a new carburetor and a new audio system for the car, which increased car's price by $2,000. If the price of the car in 1996 was $22,000, what is the car's price in 2002?

 Option A: $18,400

 Option B: $19,500

 Option C: $20,200

 Option D: $20,700

 Option E: $21,100
Example Output: Option D

Example Input: Question: Find the least number by which (59)(36)(17) has to be multiplied to obtain a perfect square?

 Option A: 5

 Option B: 17

 Option C: 85

 Option D: 221

 Option E: 223
Example Output: Option C

Example Input: Question: Elizabeth can get a certain job done in 15 days, and Tony can finish only 75% of that job within the same time. Tony worked alone for several days and then Elizabeth joined him, so they finished the rest of the job in 6 days, working together.
For how many days have each of them worked and what percentage of the job have each of them completed?

 Option A: 5 days and 40%

 Option B: 6 days and 30%

 Option C: 6 days and 40%

 Option D: 7 days and 40%

 Option E: 7 days and 30%
Example Output:
Option C