Activity 5 Ring up the bill Activity 1 Activity 2 Activity 3 Activity 4 Welcome a quest Wash and Stress release Do the hair condition the hair massage The flowchart shows the service process at a barber shop: Operation 1: Greeting a guest and offer water/tea/coffee (12 minutes); Operation 2: Wash the guest's hair (20 minutes) Operation 3: Stress-relief massage (16 minutes): Operation 4: Do the hair (27 minutes); Operation 5: Present the bill and process payment (10 minutes) Each operation has a dedicated employee. For the following question, assume that demand rate is very hiph (hipher than the capacity of the process). However, the Operation 5: Present the bill and process payment (10 minutes). Each operation has a dedicated employee. For the following question, assume that demand rate is very high (higher than the capacity of the process). However, the employee at activity 1 only admits new quests at the rate of the bottleneck (customers who are not admitted will walk away). What is the utilization of the employee at operation 4? Note: Provide your answer as a percentage without the % mark. Also, Round your final answer to 1 decimal place if it is not a whole number. For example, if you answer is 15.37%, enter 15.4 in the box. Your