 who had done a lot of installations, and just sat down with him for an afternoon and kind of went over, here's what you really need for what you're trying to do. And so the cost of the solar system alone was about $3,000. And we cut some corners there. We used, this is kind of weird, but we used flooded lead acid golf cart batteries initially that I wouldn't recommend. The lithium ion batteries that are out there now are just so much better.