$$ A company has one bond selling at $$900($below its par value of $$1000).$ The bond matures in $10$ years

and has pays offers a $5\%$ coupon rate. Interest is paid semi$-$annually. What is the company's before tax

cost of debt $($yield$-$to$-$maturity$)?*$

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$$ A company has one bond selling at $$1,053($above its par value of $$1000).$ A bond has face value of

$$1000$ and a coupon rate of $6\%.$ The bond has $24$ years to maturity and pays interest semiannually. What

is the company's before tax cost of debt $($yield$-$to$-$maturity$)?*.$

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$$ A company's stock just paid dividends of $$1$ per share. This dividend is expected to grow $20\%$ for 'one

year. After that, growth is expected to be $5\%$ in perpetuity. The stock price is $$50.$ What is the

company's cost $\text{'}$of equity?