Livernonions Industries uses a kanban system to manage production of the BR-549 subassembly. In an eight-hour day, they use 1200 units and use containers that can hold 50 units each. It takes 120 minutes to fill and move a container of parts to the right place on the BR-549 line that is currently rated at a 25% safety factor. How many production hours of inventory are needed? Group of answer choices
O 2.5 O 2.4 O 7.5 O 375