QUESTION 1

1. CC Car Wash specializes in car cleaning services. The servicesoffered by the company, the exact service time, and the resourcesneeded for each of them are described in the table following:

   Service	Description	Processing Time	Resource
   A. Wash	Exterior car washing and drying	10 minutes	1 automated washing machine
   B. Wax	Exterior car waxing	15 minutes	1 automated waxing machine
   C. Wheel Cleaning	Detailed cleaning of all wheels	16 minutes	1 employee
   D. Interior Cleaning	Detailed cleaning inside the car	20 minutes	1 employee

   The company offers the following packages to theircustomers:

   • Package 1: Includes only car wash (service A).

   • Package 2: Includes car wash and waxing (services A andB).

   • Package 3: Car wash, waxing, and wheel cleaning (services A,B, and C).

   • Package 4: All four services (A, B, C, and D).

   Customers of CC Car Wash visit the station at a constant rate(you can ignore any effects of variability) of 50 customers perday. Of these customers, 30 percent buy Package 1, 30 percent buyPackage 2, 15 percent buy Package 3, and 25 percent buy Package 4.The mix does not change over the course of the day. The storeoperates 10 hours a day.

d. What resource has the highest utilization rate? Input 1 forwashing machine, input 2 for waxing machine, input 3 for employeeat C, input 4 for employee at D.

Your answer is .