Question $3.(15$ points$)$ WW Hotels would itheto create the documentation of their award winning service processes. For this the manager prepares the following chart. Answer the following questions on the chart and spaces reserved.

a$)$ What does this service design tool named?

b$)$ Draw the lines on the chart that separates the activities of different groups, and name these groups as well as the lines.

c$)$ On the chart identify at least $3$ at most $5$ points where the process may not go as planned. What are they called and define a poka$-$yoke for each of them.