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(2) Question 4 Answer the following using your own words explaining all your reasoning, provide all theorem statements and definitions required to back up your reasoning: 4.1 What do the shadow prices give us ? 4.2 Why are positive shadow prices associated with the less than inequality and negative shadow prices associated with the greater than equality. 4.3 What is a cutting plane? ( Physically and what does it allow etc) 4.4 What are the three main requirements for the strong duality optimal. (10) (2) (3) (3)