On July $1,2019,$ Reliable Services issued $$39,000$ of $15\%$ bonds that mature in five years for $$64,000.$ The bonds pay semiannual interest payments on June $30$ and December $31$ of each year. On December $31,2019,$ what is the total amount paid to bondholders?

A$)$ $$5850$

B$)$ $$4800$

C$)$ $$9600$

D$)$ $$2925$