help with par value bonds!

Help me asap please...

An investor purchases a 15 -year, $100,000 par value bond that pays semiannual interest of $4,000. If the semiannual market rate of interest is 5%, what is the current market value of the bond? $89,620.34 $100,000.00 $84,627.55 $79,568.15 An investor purchases a 15 -year, $100,000 par value bond that pays semiannual interest of $4,000. If the semiannual market rate of interest is 5%, what is the current market value of the bond? $89,620.34 $100,000.00 $84,627.55 $79,568.15