A $$9,000,10\%$ bond redeemable at par with semi$-$annual coupons bought nine years before maturity to yield $9\%$ compounded semi$-$annually is sold four years before maturity at $99\mathrm{.}25.$ Find the gain or loss on the sale of the bond.

The $$ loss is $ $,$

$($Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.$)$