Problems $2\mathrm{.}4$ and $2\mathrm{.}5$ relate to Achieving Competitive Advantage Through Operations

$2\mathrm{.}4$ The text provides three primary strategic approaches $($differentiation$,$ cost$,$ and response$)$ for achieving competitive advantage. Provide an example of each not given in the text. Support your choices. $($Hint: Note the examples provided in the text.$)$