waiting during the repair process. (a) What are the arrival rate and service rate in jobs per hour? (Round wour answers to four decimal places.) i= = (b) Show the operating characteristics. (Round youf answers to four decimal places. Report time in hours.) Show the total cost per hour. (Express the totel cost per haur in dollars. Round wour answer to the nearest cent.) TC=$ wq=w=hh Show the total cast per haur. (Express the total oast per haur in dollars. Rnumd yaur answer to the nearest cent.) TC=$ The awerage savings ower a 40 -hour work week amount to $ . Based on this, the director's arqument should be |contegted