a. Why does the Sales and Operations process typically not explicitly recognize variation even though it is a fact of life for both operations and sales divisions? (5 Pts) b. One condition that must be fulfilled for the hierarchy of planning levels to work properly is that decisions at one planning level must be made within the limits of decisions taken at the planning level above. What may be the result be if activities on the order planning level are outside the limits of decisions taken on the master production schedule level? (5 Pts)