Please solve in excel with the calculation and the proccess and formulas a) Bijou Theater has two service desks, one at each entrance of the theater. Customers arrive at each service desk at an average of one every five minutes. The service time at each service desk is three minutes per customer. i. How busy is each service desk? ii. How many customers, on average, are waiting in line in front of each service desk? iii. How much time does a customer spend in the system? b) Bijou Theater is considering consolidating its two service desks into one location staffed by two clerks. The clerks will continue to operate at the same service time of three minutes per customer. i. What is the utilization of the servers in this configuration? ii. How many customers, on average, are waiting in line? iii. How much time does a customer spend in the system? Question 4 Sixth Ninth Bank does most of its business between 11:00am and 1:00pm. During this time customers arrive at its office teller line at a rate of one every two minutes following a Poisson distribution. The service time at the teller takes an average of three minutes per customer and can be approximated by an exponential distribution. Sixth Ninth's policy is that customers should not have to wait longer than one minute to begin the service operation. a) What is the average service rate per minute? b) What is the average arrival rate per minute? c) What would happen if the bank operated with a single teller station during the time period in question? d) How many tellers should the bank plan to operate during this time period to stay within the corporate policy on service (i.e., not wait in line longer than 1 minute)?