This is questions from Contemporary Logistics 11th edition Chapter 8, please help me answer these.

Questions for Discussion and Review 8.4 8.1 How might different organizational functions have differ- ent inventory management objectives? 8.2 What makes it difficult for managers to achieve the proper balance of inventory? 8.3 Distinguish among cycle, safety, pipeline, and speculative stock. 8.5 8.4 Define what is meant by inventory carrying costs and list its primary components. 8.5 What are ordering costs and what is the trade-off between inventory carrying costs and ordering costs? 8.6 Discuss the concept of stockout costs. How can stockout costs be calculated? 150 Part III . Elements of Logistics Systems 8.7 Distinguish between a fixed order quantity and fixed order interval system. Which one generally requires more safety stock? Why? 8.8 Explain the logic of the EOQ model. 8.9 What assumptions are associated with the EOQ model? 8.10 How can inventory flow diagrams be useful to a logistics manager? 8.11 Discuss what is meant by ABC analysis of inventory. What are several measures that can determine ABC status? 8.12 Define what is meant by dead inventory. What are several ways to manage it? 8.13 In what ways can inventory turnover provide impor- tant insights about an organization's competitiveness and efficiency? 8.14 Discuss some of the managerial challenges that comple- mentary products present. 8.15 What are substitute items and how might they affect safety stock policies? 8.16 How might a hospital's decisions with respect to substitute products differ from a supermarket's decisions with substi- tute products? 8.17 How do the consequences of JIT go far beyond inventory management? 8.18 Why should organizations carefully consider potential trade-offs before adopting a lean philosophy? 8.19 Discuss some challenges that service parts logistics creates for logistics managers. 8.20 How does vendor-managed inventory differ from tradi- tional inventory management