What is Just-In-Time (JIT) approach? What are the reasons for adopting JIT in an organization? State the replenishment techniques used by retailers?

Just in-time (JIT) JIT (Just-In-Time) refers to an approach to purchasing, which requires long term agreements with a few suppliers. JIT is an essential feature and a necessity in case of many perishable food commodities such as milk, fruits, vegetables, fish, meat, etc. There are stipulations which specify that certain vegetables (example, gherkins) have to reach the processing units within 6 to 10 hours from the time of harvest, for maintaining the desired quality. The JIT approach is dependent on leadership and a clear communication of "objectives and demands. It requires teamwork and collaboration internally and also with suppliers