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Problem 1 8 - 8 Part E ( Algo ) The parts department of a large automobile dealership has a counter used exclusively for mechanics'

Problem 18-8 Part E (Algo)
The parts department of a large automobile dealership has a counter used exclusively for mechanics' requests for parts. The time
between requests can be modeled by a negative exponential distribution. Customers arrive at a rate of 14 per hour. A clerk can handle
requests at a rate of 10 per hour, and this can be modeled by a Poisson distribution. Clerks cost $20 per hour and mechanics cost $15
per hour. Use Table 18-4.
a. Determine the cost of capacity and waiting if the parts department hires 2,3 or 4 clerks. (Round Ls to 3 decimals. Round costs to 2
decimals.)
b. Based on your response in part a, how many clerks should be hired?
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