Discussion 1: Sustainable Competitive Advantage No unread replies.No replies. Note: Your main response should be at least 300 words and is due by Friday night of this module (two days before the discussion closes). Please respond to at least one peer by the end of this module with a value-added response that is several sentences in length. In this course, we will focus quite a bit on firms achieving a "sustainable competitive advantage" and "above average returns." At this juncture of the course, how do you think firms can achieve both? Provide an example of a publicly-traded firm that you believe has achieved both goals. Provide an example of a publicly-traded firm that has not achieved both goals, and comment on what you think that firm needs to change in order to achieve both goals. Finally, what is the "triple bottom line" and why is this perspective important