Paul Decided He Did Not Want the New Jeans He

Paul decided he did not want the new jeans he had purchased from a large discount department store.He had worn them three times and decided he just did not like them.The jeans fit him fine and there is nothing wrong with them.He takes the jeans back to the store and,as is its policy,the store gave him a full refund of his money.Which statement is correct?

A) Paul's conduct was ethical as long as he was within the time frame for returns.
B) Paul's conduct was unethical.
C) This is not an issue of ethics since people do this all the time.
D) Paul's conduct was ethical since the store has a legal duty to return his money when he returned the jeans.