QUESTION 16 In quantity discount models, the optimum quantity will always be found on the lowest total cost curve True False QUESTION 17 Aggregate planning is intermediate-range capacity planning that typically covers a time horizon of one to three months, no more. True False QUESTION 18 Capacity can be modified in aggregate planning by promotion and producing additional product using overtime. True False QUESTION 19 The EOQ model is quite robust to Q errors if holding costs are relatively low True False QUESTION 20 Aggregate planners typically use only mathematical techniques such as linear programming and linear decision rules for planning purposes True False