And as you seen, this is our income per year. We will reach the break even point by the end of the 3rd year. The internal rate of return or IRR is about 24.4% which mean you get the interest rate more than saving money with the banks. (ควรมีมั้ยอารมณ์แบบโน้วน้ามว่าจะได้กำไรไรงี้)