5. The following diagram shows a four-step process that begins with Operation 1 and ends with Operation 4.
a) Determine the capacity of this process.
b) Which action would yield the greatest increase in process capacity: (1) increase the capacity of Operation 1 by 15 percent; (2) increase the capacity of Operation 2 by 10 percent; or (3) increase the capacity of Operation 3 by 10 percent?