What do you understand by the term supply Chain Management (SCM). What are the challenges faced by an Operations manager to match supply and demand...

1- What do you understand by the term supply Chain Management (SCM). What are the challenges faced by an Operations manager to match supply and demand in SCM. Discuss with a suitable example of a big company

2- Why Planning is an important function for an Operations Manager. Discuss aggregate planning and various steps associated with it with suitable example

3- Define decision process and explain with neat sketch / diagram. Discuss various steps to be taken for a good decision.