Question: Please solve the situation using the Real World Queuing Applications (explain it in Excel Form with formula) The First American Bank of Rapid City has

Please solve the situation using the Real World Queuing Applications (explain it in Excel Form with formula)

The First American Bank of Rapid City has one outside drive-up teller. It takes the teller an average of 4 minutes to serve a bank customer. Customers arrive at the drive-up window at a rate of 12 per hour. The bank operations officer is currently analyzing the possibility of adding a second drive-up window, at an annual cost of $20,000. It is assumed that arriving cars would be equally divided between both windows. The operations officer estimates that each minute's reduction in customer waiting time would increase the bank's revenue by $2,000 annually. Should the second drive-up window be installed?

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