2. The space below you will be determining the allocation of work. The process is a sub shop that involves building a sub sandwich, assume one sub per customer. The shop is open 10 hours a day. The following describes the process:

Process	Time	Preceding process
A) Take order, Select and cut bread	20 sec	None
B) Put on meat, microwave prep	60 sec	A
C) Place condiments	70 sec	B
D) Cut sandwich and Bag product	50 sec	C
E) Bag sandwich, collect funds	30 sec	D

a) Show the layout with a diagram using the letters and list times on diagram. Also determine the time it takes to make a sandwich. During the slow periods of the day customers arrive about one every 5 minutes. How many workers or work centers are needed? (10 pts)

b) During lunch and dinner rush demand increases to one customer every 2 minutes. Now how many workers or work centers do you need? Use your diagram above or space below to show activity groupings. (5 pts)

c) Define numerically the minimum and maximum time to make a sandwich. Assume all tasks remain constant. (5 points)