Why are you trolling on HN? Edit: yes, Walmart's revenue is 500+ billion. What does that have to do with anything discussed here? temp667's comment is correct.

Why are you trolling on HN? Edit: yes, Walmart's revenue is 500+ billion. What does that have to do with anything discussed here? temp667's comment is correct. Edit 2: first you didn't understand what "revenue" is, now you don't understand what "gross profit" is.