Definition: 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.
Input: Question: At the end of three years what will be the compound interest at the rate of 10% p.a. on an amount of Rs.70000?

 Option A: 6620

 Option B: 3277

 Option C: 2688

 Option D: 2998

 Option E: 23170

Option E