The Lo Sun Corporation offers a $5\mathrm{.}7$ percent bond with a current

market price of $$830\mathrm{.}50.$ The yield to maturity is $8\mathrm{.}15$ percent. The

face value is $$1,000.$ Interest is paid semiannually. How many years

until this bond matures?

$20\mathrm{.}77$ years$10\mathrm{.}39$ years$5\mathrm{.}19$ years$29\mathrm{.}14$ years$19\mathrm{.}96$ years