Instructions: 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.
Input: Problem: the population of a town increased from 1, 75,000 to 2, 97,500 in a decade. the average percent increase of population per year is
Options: a. 4.37 %, b. 5 %, c. 6 %, d. 8.75 %, e. 7 %
Output:
e