1.Calculating Cost of Equity: The Dybvig Corporation's common stock has a beta of 1.21. If the risk- free rate is 3.5 percent and the expected return on the market is 11 percent, what is Dybvig's cost of equity capital?

2. Calculating Cost of Debt: Shanken Corp. issued a 30-year, 6.2 percent semi-annual bond 7 years ago. The bond currently sells for 108 percent of its face value. The company's tax rate is 35 percent

(a.) What is the pretax cost of debt?

(b). What is the aftertax cost of debt?

(c) Which is more relevant, the pre-tax or the after-tax cost of debt? Why?