This Book will discuss how to value businesses in Marketplace like the importance of business valuation and shows how to adapt the model to bonds, preferred stock, common stock, Risk & Return, CAPM and Portfolios. And This book discuss Capital structure as a part of all kinds of business activities, which are decided by the size, and nature of the business concern. Capital may be raised with the help of various sources. Adding the theories of Capital structure and the Cost of Capital.