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 price of stock decreased by 5 % last year and rose by 10 % this year. what is the net percentage change in the price of the stock ?
Options: a. 0.2 %, b. 0.8 %, c. 1.2 %, d. 1.6 %, e. 4.5 %
Output:
e