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Answer (B) is correct . In a JIT system, the suppliers’ dependability is crucial. Organizations that adopt JIT systems develop close relationships with a few carefully chosen suppliers who are extensively involved in the buyer’s processes.

Answer (A) is incorrect because In a JIT system, the suppliers’ dependability is crucial. Organizations that adopt JIT systems develop close relationships with a few carefully chosen suppliers who are extensively involved in the buyer’s processes.
Answer (C) is incorrect because The use of safety stock is considered a nonvalue-adding activity under a JIT system, and interruptions in supply are not considered inevitable.
Answer (D) is incorrect because A?JIT system does not necessarily require the employment of kanban inventory management. Also, kanban is essentially a manual system.