Right. As you said, companies aren't optimizing just for this year's sales; they're going to be balancing acquiring customers this year, the cost of each sale,

Right. As you said, companies aren't optimizing just for this year's sales; they're going to be balancing acquiring customers this year, the cost of each sale, and the retention of those customers year over year. So if a sales guy gets a huge commission and salary for the first year for his acquired customers, but the company's retention rate is high, then that sales person's salary could be paying multiples in revenue over several years.