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 (15 minutes): Operation 2: Wash the guest's hair (20 minutes); Operation 3: Stress-relief massage (16 minutes); Operation 4: Do the hair (30 minutes): Operation 5: Present the bill and process payment (8 minutes). Each operation has a dedicated employee. Assume that a customer arrives every 30 minutes. Operation 3: Stress-relief massage (16 minutes); Operation 4: Do the hair (30 minutes); Operation 5: Present the bill and process payment (8 minutes). Each operation has a dedicated employee. Assume that a customer arrives every 30 minutes. What is the time (in minutes) between two consecutive service completions? Note: Round your final answer to 1 decimal place. Only round your final answer: Your