"Macho Man" Randy Savage works at the local Flamethrower store. The store specializes in buying and reselling used flamethrowers. They offer all employees 30% off any purchase. Randy purchases a flamethrower that had a retail price of $500 and took the discount. The store had originally purchased the flamethrower for $450. In addition, the store offers a service of a thorough inspection for all flamethrowers. They ordinarily charge a customer $50 for this service, but allow employees to get it for $15. Randy got the service for $10. How much, if any, income must Randy recognize on his tax return