Just from the last day of the last quarter of last year to the first day this week. you also say that you hired an additional 500 teachers on special assignment, coordinators, and other individuals who possess the appropriate credentials. can you just break that down for us, what does special assignment mean, what is the standard for appropriate credentials? >> your last words is the most important one. we believe in a highly qualified, highly skilled credentialed teacher, meaning someone who possesses the balance of core subject area certification, and has met all of the requirements to actua...