Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Problem: if the simple interest on a sum of money for 2 years at 5 % per annum is rs. 52, what is the compound interest on the same sum at the rate and for the same time ?
Options: a. s. 53.30, b. s. 53.22, c. s. 51.219, d. s. 53.18, e. s. 51.10
Student:
a