Review the information in Concepts & Connections $4\mathrm{.}1$ concerning Everlane's a costs of producing and selling a pair of denim jeans, and compare this with the tive value chain depicted in Figure $4\mathrm{.}1.$ Then answer the following questions:

$($a$)$ Which of the company's costs correspond to the primary value chain activit depicted in Figure $4\mathrm{.}1?$

$($b$)$ Which of the company's costs correspond to the support activities describe Figure $4\mathrm{.}1?$

$($c$)$ What value chain activities might be important in securing or maintaining competitive advantage? Explain your answer.