Detailed 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.
Problem:Problem: in order to obtain an income of rs. 1000 from 50 % stock at rs. 500, one must make an investment of
Options: a. rs. 17000, b. rs. 16050, c. rs. 15400, d. rs. 10000, e. rs. 10500
Solution:
d