Alvin, Bob, Calvin, Don, and Edgar are friends who enroll in a university course to study international business law. The textbook required for the course costs $50, which the five friends agree is expensive. They agree to chip in $10 each and buy one copy from a bookstore. They then take the copy to the local Discount Copy Store and make five copies of the complete book for $15 a copy.
Then they return the book to the bookstore and get a refund of their original purchase price. Have the five friends done anything wrong? If so, what? Explain.