Mr. K's is a very popular hair salon. It offers high-quality hairstyling 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 next (the time required for each activity is shown in parentheses) Activity 1: Welcome a guest and offer homemade herb tea (14 minutes). Activity 2: Wash and condition hair (14 minutes). Activity 3: Neck, shoulder, and back stress-release massage (14 minutes) Activity 4: Design the hairstyle and do the hair (30 minutes) Activity 5: Check out the guest (13 minutes) Three servers (S1, S2, and S3) offer the services in a worker-paced line. The assignment of tasks to servers is the following: S1 does Activity 1, S2 does activities 2 and 3 and 53 does activities 4 and 5. Instruction: Do not round your intermediate calculations. Round your final answers to 2 decimal places, a. What is the labor content? minutes per customer b. What is the average labor utilization? percent At a wage rate of $26 per hour, what is the cost of direct labor per customer? per customer Mr. K considers hiring a new employee to help any one and d. only one) of the servers without changing the tasks performed by each server. What will be the new cost of direct labor? per customer Returning to the three-worker scenario, Mr. K contemplates