Just-in-time inventory (JIT) systems: a. are used only by manufacturing firms. b. provide a buffer stock of inventory for a company. c. save costs by outsourcing inventory management to other companies. d. are used to reduce inventory holding costs. e. always keep extra inventory on hand for emergencies.

The correct answer is d. are used to reduce inventory holding costs.

Explanation:

The Just-in-time inventory (JIT) system is a stock management system where stock is received when needed for production (stock received just in time for production). This inventory strategy increases efficiency and decreases waste by receiving goods only as they need them for the production process, which reduces inventory costs. However its effectiveness lies in accurate demand forecast.

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