Q$5)$ A key learning from the article, "Customer Intimacy and Other Value Disciplines," is:$6$a$)$ Manufacturing companies must adopt operation excellence as a value discipline and service$-$based companies must adopt customer intimacy b$)$ Pursuing customer intimacy will always make prody.cts and services more costly to producermationc$)$ If a company decides to switch from one customer value disciplines to another, the change will not affect any of the inner processes of the company, only the company's outward marketing and brand perceptiond$)$ Companies should endeavor to master all three customer value disciplines simultaneouslye$)$ Narrowing the focus of a business creates greater competitive advantage than broadening the focus.