this is the all information read the equation carefully

$80,000,7% bond redeemable at 104 with semi-annual coupons bought twelve years before maturity to yield 6% compounded semi-annually is sold throe years before matunity at 93 625 Find the gain or loss on the sale of the bond The (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.)