Use This Information to Answer the Following Questions

Essay

Use this information to answer the following questions.
A fast food restaurant currently has 2 cashiers.Upon arrival,customers form a single line and place their food order at the next available register.Assume that customers arrive at the rate of 35 per hour.It takes an average of 3 minutes to place and process each customer's order.Assume that arrival rate follows a Poisson distribution and service time follows an exponential distribution.
-Refer to the information above.Assume that each employee earns an hourly wage of $6.50/hour.Also,assume that the cost of customer waiting time is $10/hour.What would be the impact of hiring an additional employee on customers' waiting time and total costs?