Compute the cost of capital for the firm for the$$ following:

a$.$A bond that has a $$$$1,000$ par value$($face value$)$ and a contract or coupon interest rate of $11\mathrm{.}2$ percent. Interest payments are $$$$56\mathrm{.}00$ and are paid semiannually. The bonds have a current market value of $$$$1,121$ and will mature in $10$ years. The$$ firm's marginal tax rate is $34$ percet.

b$.$A new common stock issue that paid a $$$$1\mathrm{.}77$ dividend last year. The$$ firm's dividends are expected to continue to grow at $6\mathrm{.}9$ percent per$$ year, forever. The price of the$$ firm's common stock is now $$$$27\mathrm{.}23.$

c$.$A preferred stock that sells for $$$$123,$ pays a dividend of $8\mathrm{.}7$percent$,$ and has a$$ $$100$ par value.$$

d$.$A bond selling to yield $12\mathrm{.}8$ percent where the$$ firm's tax rate is $34$ percent.