Concept of total costs in storage

Question

Question 1:

What do you understand by concept of “total costs” in storage?

Question 2:

What do you understand by concept of “trade-offs” in distribution? Give three (3) examples to support your answer.
 
Question 3:

Channel selection will normally diverge from one company to another, but it is probable to define a number of general points that are likely to be relevant. Discuss this with help of examples.
 
Question 4:

If the flow of materials is properly coordinated there is no need for stock and, thus, no need for warehouses. Do you think that warehouses will disappear from supply chain?