4. (15 pts) You considering changeover time reduction projects to implement lean methods in a diecasting operation. Downtime is charged at $200/hr. The company requires a 2-year payback on all its internal projects. The company works 260 days/year. Three types of changeovers are performed with different frequencies: Frequency/year 30 Type A B Duration 4 hours 2 hours 1 hour 80 130 What is the potential dollar savings/minute for the three changeover types, and the budget to achieve each minute of downtime reduction? Show your work (3 pts). Put answers in the table below. If your downtime reduction team that can reduce downtime by 50% but can work on only one type (A, B, or C), which type should they choose for the most savings? What is their maximum budget to achieve those savings? Show your work (2 pts) Put answers in the table below. $ budget/min. (1 pt each) 50% reduction annual savings (1 pt each) Reduction Budget for best choice (1 pt) Type S savings/min. (1 pt each) A B 4. (15 pts) You considering changeover time reduction projects to implement lean methods in a diecasting operation. Downtime is charged at $200/hr. The company requires a 2-year payback on all its internal projects. The company works 260 days/year. Three types of changeovers are performed with different frequencies: Frequency/year 30 Type A B Duration 4 hours 2 hours 1 hour 80 130 What is the potential dollar savings/minute for the three changeover types, and the budget to achieve each minute of downtime reduction? Show your work (3 pts). Put answers in the table below. If your downtime reduction team that can reduce downtime by 50% but can work on only one type (A, B, or C), which type should they choose for the most savings? What is their maximum budget to achieve those savings? Show your work (2 pts) Put answers in the table below. $ budget/min. (1 pt each) 50% reduction annual savings (1 pt each) Reduction Budget for best choice (1 pt) Type S savings/min. (1 pt each) A B