Solve the below problem:
Q: It takes a barber 20 minutes to serve one customer.
What is the capacity of the barber expressed in customers per hour?
Assuming the demand for the barber is 1 customers per hour, what is the flow rate?
Assuming the demand for the barber is 1 customers per hour, what is the utilization?
Assuming the demand for the barber is 1 customers per hour, what is the cycle time?