Warehouses and distribution centres deal with many functions including operations and inventory control management. Many would prefer to stay away from operations, shipping and receiving and stick with inventory. Please answer the following questions in detail:

1. Why would someone prefer inventory over operations? In other words, what good things one might find in inventory department that he/she cannot find in either shipping or receiving?
2. For those that choose to work in inventory, there are different ranks and titles according to the hierarchy. Please specify in detail the tasks and responsibilities of each one of these three: (Inventory Control Manager, Inventory Control Supervisor, and Inventory Control Coordinator).
3. What are the main challenges with inventory? How can they be solved and dealt with?