The document discusses weighted average cost of capital (WACC). WACC is the average rate of return a company expects to compensate all its investors, calculated as a weighted average of the costs of its various capital components (equity and debt). It provides the basic WACC formula and an example calculation for a corporation raising $1 million in capital through stock and bonds. The WACC matters because it indicates the overall cost of funding projects - the lower the WACC, the cheaper funding will be. The document also lists the WACC for some major soft drink companies and discusses uses of WACC in investment analysis.