A $$1,000$ par value bond is currently selling at $95,$ and the current yield on this bond is $4\mathrm{.}5$ percent. What is the annual interest rate on this bond?

A$.4\mathrm{.}28\%$

B$.2\mathrm{.}25\%$

C$.3\mathrm{.}75\%$

D$.4\mathrm{.}00\%$