The Robotics Manufacturing Company operates an equipment repair business where emergency jobs arrive randomly at the rate of two jobs per 8 -hour day. The company's repair cost of the repair opecation is $26 per hout. In the economic analysis of the waiting line system, Robotics uses $38 per hour cost for customeri waiting during the repair process. (a) What are the arnval rate and service rate in jobs per hour? (Round your answers to four decimsl places.) == (b) Show the operating characteristics. (Round your answers to four decimal places: Report time in hours.) ta=i=we=w-x x xh x. h Show the total cost per hour. (Express the total cost per hour in dollars. Round your answer to the nearest cent.) rCs (c) The company is considenng purchasing o computer-besed equipment repair system that would enable a constant repair time of 2.9 hours. For practical purposes, the standard deviation is 0 . Aecause of the computer-based sylem, the company's cost of the new operation would be s31 per hour. What effect wil the new system have on the waiting line characterisics of the repair seryice? (Round your answers to four decimal places. Report time in hours.) W0=hW=h Show the total cout per hour. (Express the total cont per hour in dollars. Round your answer to the nearest cent.) TC=s (d) Does paying for the computer-based system to reduce the variation in service time make economic sanse? The firm's director of operations rejected the requeut for the new system because the hourly cost is $5 higher and the mean repair time is the same. Do you agree? How much (in dollars) will the new wystem save the company duriog a 40 hour work week? (Round your answer to the nearest cent, Emter o if there are no savings.) The average savings aver a 40 -hour work week amount to \& Based on this, the director's argument should be