What types of inventory are most often minimized in a Just-In-Time production process

If I have available inventory, I should accept whatever paying customer comes along. Select one: True False

Inventory management and demand planning at Dell The computer company Dell has long been seen as one of the most agile businesses in the industry. The success of Dell is in large part due to its highly responsive supply chain, which is capable of building and delivering customized products in a matter of days with minimal inventory. Dell’s ability to operate a build-to-order strategy is based partly on the modular design of many of their products but more particularly on a very high level of synchronization with their suppliers. There is a high level of visibility across the Dell supply chain with suppliers receiving information on Dell’s order book every two hours. Ahead of this information, suppliers are provided with capacity forecasts from Dell to enable them to produce at a rate that is planned to match actual demand. Each of Dell’s factories is served from a ‘vendor hub’, operated by third- party logistics service providers, the purpose of which is to keep a buffer of inventory…

What does a decrease in inventory days tell us?