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 quest and offer homemade herb tea (15 minutes) Activity 2: Wash and condition hair (15 minutes) Activity 3: Neck, shoulder, and back stress-release massage (15 minutes) Activity 4: Design the hairstyle and do the hair (30 minutes) Activity 5. Check out the quest (14 minutes) Three servers (S1, S2, and 53) offer the services in a worker-paced line. The assignment of tasks to servers is the following: S1 does Activity 1, 52 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? b. What is the average labor utilization? At a wage rate of $25 per hour, what is the cost of direct labor 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? minutes per customer percent per customer per customer