Owners a local restaurant are concerned about their ability to provide quality service as they continue to grow and attract more customers $.$ They have collected data from Friday and Saturday nightstheir busiest times of the week. During these Ume periods about $122$ customers arrive per hour for service. Given the number of tables and chairs, and the typical takes to serve a customer, the owners estimate they can serveaverage about $116$ customers per hour. Use Exhibit $4\mathrm{.}6$ Furthermorethe owners articlpate that in year their demand will double as long as they can provide good service to their customers $.$