This touches on an essential difference between managing margins vs. managing prices. The idea behind Margin Management is to shift the mentality away from a price centric focus to one of evaluating the bottom line. In this way, it is not necessary to bottom pick input costs and top pick sales value, saving time to evaluate margin opportunities rather than getting buried in the details of day-to-day price movements. Also, it may often be the case that choosing to commit to either purchases or sales independently can actually introduce more risk to the operation than staying completely open to the market.
