- S Join the discussion by responding to below question, pose your own analysis of the week's topic, or share experiences related to the week's topic. Rather than simply answering the question, add your own ideas, introduce new referenced literature (e.g.APA), and build on issues raised within the discussion. Provide a substantial response to at least two of your peers' postings, if more than three students are enrolled in the course. (An initial post is required within the first 3 days of the week). Account for the purchase of merchandise inventory using a perpetual inventory system.