Please explain how you get your answer and show work.

The following diagram shows a simple process in a restaurant where customers go through two parallel sets of three steps and then merge into a single line for two final steps. The capacity of each step is shown on the diagram. 15/hr 10/hr 20/hr 34/hr 30/hr 8 5/hr 8/hr 12/hr a) What is the current capacity of the entire process? b) If you could increase the capacity of only one operation through process improvement efforts, which operation would you select, how much additional capacity would you strive for, and the resulting capacity of the process