 Rather than us saying, well, here's what we think is a good comparison or control firm for Subway and guessing like DiBella's or Firehouse Subs because they're sandwich companies, we can instead use the method of synthetic control and that will go and find the optimal firms that best resembles Subway prior to this shock. But we also matched it on demographics of people who patronize it. So the percent who are women, low income, low education.