The following information applies to questions 13-17.] Mr. K's Hair Salon Mr. K's is a very popular hair salon. It offers high-quality hair-styling and physical relaxation services at a reasonable price, so it always has unlimited demand. The service process includes five activities that are conducted in the sequence described below. (The time required for each activity is shown in parenthesis): Activity 1: Welcome a guest and offer homemade herb tea. (10 minutes) Activity 2: Wash and condition hair. (10 minutes) Activity 3: Neck, shoulder, and back stress release massage. (10 minutes) Activity 4: Design the hairstyle and do the hair. (25 minutes) Activity 5: Check out the guest. (5 minutes) Three servers (S1, S2, and 53) offer the services in a worker-paced line. The assignment of tasks to servers is the following: $1 does Activity 1. 52 does Activities 2 and Activity 3. 53 does Activities 4 and Activity 5. What is the utilization of server 27