Q46. When a patient visits a dental clinic, firstly a receptionist will register the patient, which takes 5 minutes. Then the teeth of the patient will be cleaned by a hygienist, which takes 20 minutes for each patient. After that, a dentist will exam the teeth, which takes 7.5 minutes for each patient. Finally, a secretary will make the payment for the patient, which takes 4 minutes. There is one receptionist, two hygienists, one dentist, and one secretary in the dental clinic. receptionist Register hygienist Clean Teeth Examine Teeth secretary Payment a). What is the capacity of the dental clinic, where is the bottleneck (3 points)? b). Assume that the dental clinic actually served 5 patients per hour. In average, how many patients are being served in the clinic (3 points)? c). Assume that the dental clinic ways has only one dentist. Will adding one extra staff in any other steps improve the capacity of the entire clinic? If yes, where would you add one extra staff. After adding one extra staff, what is the capacity of the dental clinic (3 points).