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: A sum of money at simple interest amounts to $ 780 in 3 years and to $930 in 4 years. The sum is:

 Option A: $153

 Option B: $698

 Option C: $330

 Option D: $549

 Option E: $675

Option C