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Bonus Problem (6 points) (Bonus points will be added to your homework score). a) A supplier of instrument gauge clusters uses a Kanban system to control material flow. The gauge cluster housings are transported six at a time. A fabrication center produces approximately 24 gauges per hour. It takes approximately two hours for the housing to be replenished. Due to variations in processing times, management has decided to keep 30 percent of the needed inventory as safety stock. How many Kanban card sets are needed? (3 points) b) Transmissions are delivered to the fabrication line five at a time. It takes 210 minutes for transmissions to be delivered. Approximately eight vehicles are produced each hour, and management has decided that 35 percent of expected demand should be maintained as safety stock. How many Kanban card sets are needed? (3 points)