And then on Friday, 15% again. So 15% of 200 would have been 30 customers. So if this distribution is correct, this is the actual number that I would have expected. Now, to calculate our chi-squared statistic, we essentially just take, let me just show it to you. And I'll write it, instead of writing chi, I'm going to write a capital X squared. Sometimes someone will write the actual Greek letter chi here. But I'll write the X squared here so that it will be, and let me write it this way.