A corporate $$10,000$ bond has a coupon rate of $8\%$ per year, payable semiannually. The bond matures $20$ years from now. At a market interest rate of $10\%$ per year, compounded semiannually, the amount and frequency of the bond dividend payments are:

$($a$)$ $$400$ every $6$ months

$($b$)$ $$300$ every $6$ months

$($c$)$ $$500$ every $6$ months

$($d$)$$$600$ every year