The owner of Tracy’s Diner decided to revamp the entire place over a weekend. The new décor included warm colors, such as red, which are thought to increase hunger, and softer lighting, which is thought to encourage customers to linger over their food, and thus purchase more. His intention was to surprise his regular customers who visit his diner during the weekdays and improve the volume of customer purchases. In this scenario, which kind of approach is the owner using? Explain.