A competitor analysis of the subscription$-$based meal$-$kit industry creates a picture of the competitive landscape confronting Blue Apron. Which of Blue Apron's competitors most likely has a dual$-$advantage strategic position $($i$.$e$.,$ is in the middle of the business$-$level strategy continuum $-$ not purely cost leadership and not purely differentiation$)?$

Purple Carrot

Hello Fresh

Amazon or Walmart $($if they decided to enter$)$