An automated car wash serves customers with the following serialprocess: pre-treat, wash, rinse, wax, hand dry. Each of these stepsis performed by a dedicated machine except for hand-dry step, whichis performed manually on each car by one of 4 workers. The steps ofthe process have the following process times: -pretreat: 4 minuteper car -wash: 6 minutes per car -rinse: 4 minutes per car wax: 5minutes per car hand dry: 13 minutes per car a. If the car was hasa demand of 11 cars per hour, what is the flow rate of the process?b. if the car wash has a demand
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