A production process at Kenneth Day 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).
Sanding: 1.8 units/hr
Drilling: 5 units/hr
Welding: 5 units/hr
Assembly: 0.8 units/hr
Assembly: 0.8 units/hr
Assembly: 0.8 units/hr
2.5 units/hr : Sawing
x y graph
c) The throughput time of the overall system is _______ minutes? (round your response to two decimal places