econ600 discussion and discussion responses 1

Hello,

This is a two part questions. First I will need the discussion question answer which will be below in bold, 250+ words APA format. After that is completed I will extend the time and will need the discussion responses answered. For those response I will need three responses of at least 150 words each.

Discuss whether economies of scale have any relevance to such companies as Wal-Mart.