YEE" 2 machines Pessimistic Expected Optimistic 3 machines 4 machines b. How many machines are required if the operations manager decides to double lot sizes? (Enter your responses rounded up to the next whole number.) Demand Forecast Requirement (M) Capacity Pessimistic 2 machines Expected 3 machines Optimistic 3 machines c. If the operations manager has three machines and believes that the plant can reduce setup time by 30 percent through process improvement initiatives, does that plant have adequate capacity to meet all demand scenarios without increasing lot sizes? (Enter your responses rounded up to the next whole number.) Demand Forecast Requirement (M) Capacity Pessimistic machines Expected machines Optimistic machines