Which of the following graphical symbols represents a minimum cardinality of one and a maximum cardinality of one?

Christian Louboutin is a footwear designer who launched his line of high-end women's shoes in France in 1991. The brand caters to an elite clientele whose satisfaction with the brand has always been evident

Apart from being high-end, Louboutin footwear signifies power in elite social circles. Celebrities are often seen sporting "Loubs" at special occasions, such as movie premieres. This has resulted in people associating Louboutin footwear with class and power. In accordance with the BrandAsset® Valuator model, which of the following components of brand equity has Louboutin fulfilled in this scenario? A) knowledge B) energized differentiation C) esteem D) advantage E) presence

Osprey Machine Works has the following demand requirements and other data for the upcoming four quarters

Quarter Demand Previous quarter's output 2500 units 1 2300 Beginning inventory 200 units 2 2400 Stockout (backorder) cost $50 per unit 3 2600 Inventory holding cost $10 per unit at end of quarter 4 2100 Hiring workers $4 per unit Laying off workers $8 per unit Unit cost $30 per unit Overtime $10 extra per unit What is the total cost of pursuing a level aggregate plan over the coming year?