 and finance. And when I got to college, I took accounting and finance more, so more classes on it. And when I first got into buying rental houses, I took each rent house and in my mind set it up as if it were a business. And that business had an income statement and a balance sheet. And the income statement showed each month the income that came in and the expenses that went out and the net profit for the month and the total profit for the year. And