Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Question: A certain sum of money at simple interest amounted Rs.940 in 5 years at 2% per annum, find the sum?

 Option A: 450

 Option B: 867

 Option C: 899

 Option D: 854

 Option E: 261
Student:
Option D