The cost of capital is affected by some factors that are under the firm’s control and some that are not. What are the factors the firm can and cannot control and what will be the impact of these factors on companies average cost of capital (WACC)? What factors determine the beta of a stock? Define and describe each.

How does the % of ownership a company has in an investment affect them? Please explain.

What are the conditions for stock market efficiency? Is it possible that market for individual stocks could be highly efficient but market for whole companies could be less efficient? Explain

Use the following information to answer the following question(s). a) What is the percentage of common stock in Sumitomo's weighted average cost of capital? b) What is the percentage of debt in Sumitomo's weighted average cost of capital? c) What is the percentage of preferred stock in Sumitomo's weighted average cost of capital? d) What is the total capital that should be used in computing the weights for Sumitomo's WACC?

What comment can be made on this or what can be added? The Weighted Average Cost of Capital (WACC) is a financial analytical tool that is essentially a calculation utilizing a company's market value of equity, debt, and tax rate. This allows both the company and investors an estimated net value of the company and can give indications of the value of the company moving forward. The WACC is especially important for a company to understand because the WACC is a good indication of the success or failure of a company's current investment strategy and if favorable, can assist a company when it comes to purchases of sales or other acquisitions