QUESTION I. What is the primary consideration when selecting a lotsizing procedure? Explain. 2. In a situation where the main source of uncertainty is due to timing of customer orders, which buffering strategy would he expected to ped'orm best? Explain. 3. In a situation where the main source of uncertainty is due to quantity of demand, which buffering strategy would he expected to perform hest? Explain. 4. For a rm with average daily sales (5d) of $E,, current inventory (I) of $l,,, and cost of sales (US) of 50%, what is the average days of inventory (Id)? Show calculation. 5. The objective of a Linear Programming planning approach is to ? Explain 'ery