A new walk-in ambulatory care clinic faces a choice. Should it have 2 or 3 examination and treatment rooms? For this type of system note that wait stops as soon as the patient is placed in one of these rooms. i.e. Each room represent a server (S). The clinic estimates that its arrival rate will average 14 patients per hour and that its service rate will average 10 patients per hour. What is the average time (hours) a patient spends in the queue waiting (Wq) with 2 examination rooms? a. 0.135 hours b. 0.225 hours c. 0.601 hours d. 0.017 hours