Get Connected, Inc., operates several Internet kiosks in Atlanta, Georgia. Customers can access the Web at these kiosks, paying $2 for 30 minutes or a fraction thereof. The kiosks are typically open for 10 hours each day and are always full. Due to the rough usage these PCs receive, they break down frequently. Get Connected has a central repair facility to fix these PCs. PCs arrive at the facility at an average rate of 0.9 per day. Repair times take an average of 1 day, with a standard deviation of 0.5 days.
Calculate the operating characteristics of this queuing system. How much is it worth to Get Connected to increase the average service rate to 1.25 PCs per day?