1 1. Which process is the bottleneck? Show your work. 2 Assume 40 working hours per week. 3 There are 1 lathing machine, 3 drilling machines, 3 boring machines, 2 milling machines, and 4 grinding machines. 1 5 6 3 1 Product 1 2 Quantity per week Product 1 2 1550 300 Quantity per week Lathing 1.1 1.4 1550 300 2. Which process is the bottleneck? Show your work. 1 There is only one machine of each type. 2 The lathing machine and the milling machine work 1 shift per day (40 hours per week). 3 The drilling machine and the boring machine work 2 shifts per day (80 hours per week). 4 The grinding machine works 3 shifts per day (120 hours per week). 5 Process time (minutes per unit) Drilling Boring 3.5 3.9 3.8 3.1 Lathing 0.9 1.5 Milling 2.8 2.1 Process time (minutes per unit) Drilling 2.3 3.3 Boring 2.6 2.3 Grinding 5 5.2 Milling 1.3 0.6 Grinding 3.6 4