4. What do you need to know far bond valuation? How can you determine the bonds' value? 45. What is the relationerip between the coupon rate and the YTM for bonds seling at a price higher than the face value? What if the bends are seling at a price lower than the face value? Why we can identily such relasionthips? 4c. Are there ary circumstances under which an investor might be more concemed about the nominal return than the real retum