Consider a four-step serial process with the number of workers at each step and processing times given in the list below.
	Process Step	Number of Workers	Time per Customer (in Minutes)
	1	1	5
	2	5	15
	3	3	10
	4	1	3
	Assuming that the process starts out empty and is worker-paced, how long will it take (in minutes) to serve 20 customers? (Round to nearest minute)
	43selected answer incorrect	minutes to serve 20 customers

2.

It takes a barber 10 minutes to serve one customer. Round your answers to two decimal places.
a.	What is the capacity of the barber expressed in customers per hour?	not attempted	customers per hour
b.	Assuming the demand for the barber is 6 customers per hour, what is the flow rate?	not attempted	customers per hour
c.	Assuming the demand for the barber is 6 customers per hour, what is the utilization?	not attempted	percent
d.	Assuming the demand for the barber is 6 customers per hour, what is the cycle time?	not attempted	minutes per customer