Business$-$level strategies are intended to create differences between a firm's position and those of its rivals. To position itself against its rivals, a firm must decide whether to perform activities differently or perform different activities. A firm's business$-$level strategy is a deliberate choice in regard to how it will perform the value chain's primary and support activities in ways that create unique value. Firms choose from among three generic business$-$level strategies to establish and defend their desired strategic position against rivals. Which of the following is not one of these strategies?

cost leact$-$rship

differentiation

segmentation

integrated cost leadership and differentiation