Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

Input: Consider Input: Problem: ramesh purchased a refrigerator for rs. 12500 after getting a discount of 20 % on the labelled price. he spent rs. 125 on transport and rs. 250 on installation. at what price should it be sold so that the profit earned would be 18 % if no discount was offered ?
Options: a. 17608, b. 17606, c. 17604, d. 17600, e. 18880

Output: e


Input: Consider Input: Problem: car z travels 50 miles per gallon of gasoline when driven at a constant rate of 45 miles per hour, but travels 20 percent fewer miles per gallon of gasoline when driven at a constant rate of 60 miles per hour. how many miles does car z travel on 10 gallons of gasoline when driven at a constant rate of 60 miles per hour ?
Options: a. 320, b. 375.2, c. 400, d. 408.3, e. 440

Output: c


Input: Consider Input: Problem: a ranch has both horses and ponies. exactly 3 / 10 of the ponies have horseshoes, and exactly 5 / 8 of the ponies with horseshoes are from iceland. if there are 4 more horses than ponies, what is the minimum possible combined number of horses and ponies on the ranch ?
Options: a. 116, b. 132, c. 148, d. 164, e. 180


Output: d