A firm can begin to implement the marketing mix immediately after which step? After it has finished segmentation, targeting, and positioning O After it has written its mission statement Reason: A mission statement is the first step in the process. O After it has completed a SWOT analysis Reason: A SWOT analysis precedes identification of opportunities. After it has employed marketing metrics to evaluate performance Reason: Competitive advantage is a key objective often embedded in a mission statement After it has selected the product or service it will market