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A production process at Brianna Bryant Manufacturing is shown in the figure below. The drilling operation occurs separately from, and simultaneously with, the sawing and sanding, which are independent sequential operations. A product needs to go through only one of the three assembly operations (the operations are in parallel). 5 units/hr 6 units/hr Sawing Sanding Drilling 2.5 units/hr is the bottleneck. Welding 2.1 units/hr Assembly 0.8 units/hr Assembly 0.8 units/hr Assembly 0.8 units/hr