Gutierrez Porcelain Inc. manufactures vases. The vases are manufactured only after a purchase order is received. During the current year, the company manufactured and sold 11,600 vases, which represents an average level of sales. It sells to 100 stores with each order averaging 50 vases at a time. Vases take an average of 15 minutes to manufacture, and the machine that produces the vases has an annual capacity to run 4,000 hours. What is the average wait time for production?