When looking at Walmart's strategy for determining which customer needs to satisfy, they have elected to focus almost exclusively on cost$.($e$.$g$.,$ They try to ensure that just about everyone can afford to shop there.$)$ Which of the following statements seem plausible?

Ikea sells low cost furniture and home goods. Because Walmart has a broader product line, it is not within Ikea's strategic group.

Competitor Target does not try to be a shopping venue for everyone regardless of income. Instead, they offer reasonably comparable prices to Walmart, but create a better shopping experience, and focus on customers who care more about style and quality. Target is engaging in an integrated costleadership$/$differentiation strategy.

The human resource management support function of Walmart helps keep prices low by keeping headcount stable all year long.

Supply$-$chain management is not a key, value$-$chain activity for Walmart, as it tries to find differentiated products for its customers.