A $10$ percent annual coupon, $20-$year bond has a yield$-$to$-$maturity of $8$ percent. Assume a par value of $$1,000.$ If its effective duration is $8\mathrm{.}41$ years, a $25$ basis point increase in rates will result in a:

$2\mathrm{.}10\%$ decrease in price.

$1\mathrm{.}30\%$ increase in price.

$7\mathrm{.}41\%$ decrease in price.

$1\mathrm{.}85\%$ decrease in price.

$12\mathrm{.}85\%$ increase in price.