Instructions: 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: Problem: a and b start a business, with a investing the total capital of rs. 10000, on the condition that b pays a interest @ 10 % per annum on his half of the capital. a is a working partner and receives rs. 1000 per month from the total profit and any profit remaining is equally shared by both of them. at the end of the year, it was found that the income of a is twice that of b. find the total profit for the year ?
Options: a. a. 59000, b. b. 37000, c. c. 48000, d. d. 59000, e. e. 67000
Output:
b