13.2. Quarri industries has 8 percent coupon bonds outstanding. These bonds have a market price of $954.41, pay interest semiannually, and bill mature in six years. If the tax rate is 35 percent, what are the pre-tax cost and after-tax cost of this debt?

13.3. Quarri Industries common stock has a beta of 1.6. the market risk-free is 4 percent and expected return on the market is 9 percent, what is Quarris cost of common stock?