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.

Question: If $1000 is invested at x percent simple annual interest for n years, which of the following represents the total amount of interest, in dollars, that will be earned by this investment in the n years?

Option A: 1000n(x/100

Option B: 10,000(x/100

Option C: 10,000n(x/100

Option D: 10,000(1+x/100

Option E: 10,000n(1+x/100
Option A