Your boss asks you to look at East Africa Airways.  It has debt with a book value of $20M, currently trading at 85% of book value.  It also has book value of equity of $30M, and 2M shared of common stock tracing at $4.75 per share.  What weights should be used for debt ad equity in calculating its WACC? 

Your boss is keen for you to learn more about Airlines.  South American Airlines' (SAA) shares are currently trading at $69.25 each. The yield on the company's debt is 4% and the firm's beta is 0.7. The T-Bill rate is 4% and the expected return on the market (E (kM)) is 9%. The company's target capital structure is 25% debt and 75% equity.  The company pays a combined income tax rate of 35%.  The GST rate is 13%.  What is SAA's cost of equity? 

SAA's key rival, Maskati Air has a 7 percent preferred stock outstanding that is currently selling for $48 a share. The preferred stock has a $100 par value. The market rate of return is 10 percent and the firm's tax rate is 34 percent.  GST is 13%.  What is Maskati's cost of preferred stock?