 That they give you questions on things that you probably never use again unless you just did the question, but you never use it in the field. But you had to fulfill it. A lot of formulas. I had to figure out, you know, the difference between ounces and all that stuff. And I was never really a big math whiz anyway. So I had the most challenges in just figuring out the formulations of how much seed to put down versus square footage and all that kind of thing like that.