An IT. team repairs computers that break down at an average of 2 = 2.5 per hour (approximately Poisson in nature). The team can service an average of 2 computers every 30 minutes with a repair time distribution that approximates an exponential distribution. The department is open 10 hours per day. The team's approximate cost $125 per hour. The cost associated with lost productivity from the breakdown is estimated at $55 per hour (or any fraction thereof). a. What is the utilization rate? [Select] b. What is the number of computers waiting to be serviced? Select] c. How long before a breakdown is serviced (minutes) Select) d. Based on total system cost (Ls), what is the expected daily cost? (Select)