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 distributor sells a product through an online store, which take a commission of 20 % of the price set by the distributor. the distributor obtains the product from a producer at the price of $ 18 per item. what is the price that the buyer observers online if the distributor wants to maintain a 20 % profit on the cost of the item ?
Options: a. $ 25, b. $ 26, c. $ 27, d. $ 28, e. $ 29
A:
c