$($Related to Checkpoint $9\mathrm{.}2$ and Checkpoint $9\mathrm{.}3)($Bond valuation$)$ Fingen's $18-$year, $$1,000$ par value bonds pay $12$ percent interest annually. The market price of the bonds is

$$900$ and the market's required yield to maturity on a comparable$-$risk bond is $15$ percent.

a$.$ Compute the bond's yield to maturity.

b$.$ Determine the value of the bond to you, given your required rate of return.

c$.$ Should you purchase the bond?

a$.$ What is your yield to maturity on the Fingen bonds given the market price of the bonds?

$\%($Round to two decimal places.$)$