Detailed 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.
Q: Problem: a certain article of clothing was discounted during a special sale to 3 / 4 of its original retail price. when the clothing did n ' t sell, it was discounted even further to 1 / 3 of its original retail price during a second sale. by what percent did the price of this article of clothing decrease from the first sale to the second sale ?
Options: a. 50 %, b. 33.33 %, c. 25 %, d. 55.55 %, e. 12.5 %
A:
d