Now, throughout this week we applied the NPV approach to valuing riskless bonds and stocks, and we've seen that the approach is quite fruitful. And that allows us, in the case of bonds, to analyze spot rates and forward rates, and in the case of stocks it results in the ability to study growth and to study even interesting growth cases with non-constant parameters. Now, where would we go from here? In our third week, we will analyze the analysis of investment projects that, in our language, will be sort of like the stock valuation analysis, in much greater detail. Because in this week, although we said that in the case of bonds Rs are different, and in the case of stocks Cs and Rs, they are expected, but they are given. They are given even as expected, so we just take them in all assignments and all examples, and then feed our formulas. In reality, in order to come up with these cash flows, you have to analyze some financial information about the company. And you also have to make the right assumptions, and you have to use these numbers in the right way. This is not such a trivial thing, and that's exactly what we will do in our third week, which is entitled using the NPV Approach to Valuate Investment Projects. Now, I'm wrapping up this week. I thank you all for attention. But I have to unfortunately repeat, once again, that all these things that we put up on this flip chart, they are really clear and trivial when I do it. So unfortunately, understanding arrives only when you solve these problems and when you study that. Well in the materials to our course there is a lot of literature, including the corresponding chapters of our famous Brealy and Myers textbook. So, you will be able to study that in some greater detail if anything that I produced here was not quite clear. But, as I said, the only way to, let's say to get comfort with that, is to do some calculations on your own. Therefore, I wish you good luck with your assignments and I'll see you next week, in the third week of the course.