In the conventional sequence the buyer supplies the context, in their own time, before the seller can say anything specific. In ours it is already done. That is the whole of the difference, and everything else follows from it.
These figures describe ranges observed across an industry, drawn from samples that may or may not resemble your organization. We publish the source and the sample size for each one because a range is useful for orientation even when it cannot be a conclusion. None of them describe you.