combine and rewrite for clarity: Apple's operational efficiency is also tied to its inventory management. By maintaining an optimal level of inventory, Apple can reduce storage costs and minimize the risk of stock obsolescence. This efficiency can lead to cost savings, which can then be invested in other areas of the business to improve overall operational efficiency. Apple's operational efficiency is enhanced by effective inventory management. By ensuring the right amount of each product is available at the right time, Apple can minimize waste, reduce storage costs, and use resources more efficiently. Apple, like Ford, uses a Just-In-Time (JIT) inventory system to reduce in-process inventory and associated carrying costs, thereby improving the company's return on investment