4. Three factors affecting the level of the Weighted Average Cost of Capital ("WACC") which management cannot control are ____; two factors that affect WACC that management does have some control over are ___.

A. dividend payout ratio, capital structure and income tax rates; interest rates and the company's stock price

B. interest rates, income tax rates and the general level of stock prices; capital structure and the company's operating risk

C. interest rates, dividend payout ratio and capital structure; income tax rates and the general level of stock prices

D. There is no option for D.