S7.11 The three-station work cell illustrated in Figure S7.7, has a product that must go through one of the two machines at station 1 (they are parallel) before proceeding to station 2. Station 1 Machine A Capacity: 20 units/hr Station 2 Station 3 Capacity: 5 units/hr Capacity: 12 units/hr Station 1 Machine B Capacity: 20 units/hr a) What is the process time of the system? b) What is the bottleneck time of this work cell? c) What is the process cycle time? d) If the firm operates 10 hours per day, 5 days per week, what is the weekly capacity of this work cell