Question Three (10 points) Spitty Jitty Car Wash offers four types of service to its customers: The Basies: Deluxe Wash: Deluxe Wash and Wax: The Works: simple car wash/dry wheels cleaned, then car wash/dry wheels cleaned, car wash/dry, car waxed wheels cleaned, car wash/dry, car waxed, interior of the car detailed Activity descriptions, times, and staffing are provided below for the various cleaning stations: Time to Complete 4.2 minutes 1.1 minutes Station Description Number of Workers/Machines Wheel Cleaning Manually clean all four 2 dedicated workers wheels Car Wash/Dry Automated cleaning I car wash machine and drying process Car Wax Manually apply wax I dedicated worker Interior Detailing Manually clean and 2 dedicated workers vacuum the interior of the car 9.6 minutes 24.7 minutes Assume that on average cars arrive uniformly at a rate of 20 cars per hour during the hours of 8:00 am and 6:00 pm (the hours in which Spilly Jitty is open for business), Also, 35% of the customers request the Basies, 45% request the Deluxe Wash, 1596 request the Deluxe Wash and Wax, and 5% request The Works. 1 Draw a complete process flow diagram for this exercise using the information provided above. 2. Which of the four stations is the bottleneck? What is the implied utilization at the Interior Detailing station? What is the implied utilization at the Car Wash/Dry station? S Spiffy Jinly decides to offer a special "spring cleaning price through the month of March on its service Deluxe Wash". As a result, the demand rate increases to 28 cars per hour, uniformly distributed during the hours of operation. This special also results in a change in the mix of services demanded. Now, 15% of the customers request The Basies, 65% request the Deluxe Wash, 10% request the Deluxe Wash and Wax, and 5% request The Works. How is the process performance of Spilly Jiny affected? 4 -Continue Assignment on Next Page