$($Individual or component costs of capital$)$ Compute the cost of capital for the firm for the following:

a$.$ A bond that has a $$1,000$ par value $($face value$)$ and a contract or coupon interest rate of $11\mathrm{.}8$ percent Interest payments are $$59\mathrm{.}00$ and are paid semiannually. The bonds hav a current market value of $$1,125$ and will mature in $10$ years. The firm's marginal tax rate is $34$ percet

b$.$ A new common stock issue that paid a $$1\mathrm{.}84$ dividend last year. The firm's dividends are expected to continue to grow at $7\mathrm{.}3$ percent per year, forever. The price of the firm's commen stock is now $$27\mathrm{.}31.$

c$.$ A preferred stock that sells for $$153,$ pays a dividend of $86$ percent, and has a $$100$ par value.

d$.$ A bond selling to yield $11\mathrm{.}4$ percent where the firm's tax rate is $34$ percent.