Activity 3 Activity 4 Activity 5 Activity 1 Welcome a quest Activity 2 Wash and condition the hair Do the hair Ring up the bill Stress release massage Mr. K's is a very popular hair salon. The service process includes five activities that are conducted in the sequence described below (the time required for each activity is shown in parentheses): Activity 1: Welcome a guest and offer homemade herb tea (12 minutes): Activity 2: Wash and condition hair (18 minutes); Activity 3: Neck, shoulder, and back stress release massage (18 minutes); Activity 4: Design the hairstyle and do the hair (27 minutes); Activity 5: Ring up the guest's bill (7 minutes). Each activity has one employee dedicated to it. Which activity/resource is the bottleneck? (Enter 1 or 2 or 3 or 4 or 5) Your