Cost Management: A Strategic Emphasis 5th Edition by David Stout, Edward Blocher, Gary Cokins

Exercise 40

Williams Performance Co. manufactures sports cars. After making a sale, the salesperson sends the car to be detailed before the customer takes it home. Detailing the car takes 30 minutes at a cost of $15 per hour for direct labor and $5 per car for materials. If the average salesperson sells five cars per day, what is the average cost per five-day week for detailing cars?